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Palmer CNS Torgerud > Exam 1 > Flashcards

Exam 1 Flashcards

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1
Q

Mature nervous tissue has little capacity to store ______ or _____

A

oxygen, sugar (glucose)

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2
Q

Mature nervous tissue has little ______ capacity

A

mitotic

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3
Q

2 different components of the nervous system, broken up by structure

A

CNS, PNS

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4
Q

CNS is made up of what?

A

Brain (encephalon), Spinal cord (Medulla spinalis)

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5
Q

PNS is made up of what?

A

12 cranial nerve pairs, 31 spinal nerve pairs = 86 total nerve trunks and Ganglia

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6
Q

Groups of neuron cell bodies clustered together in the PNS

A

ganglia

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7
Q

Part of the N.S. that innervates the skeletal musculature “skeletal muscles”

A

Somatic component of the N.S.

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8
Q

Somatic component is synonymous with…

A

Voluntary component

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9
Q

Includes both efferent and afferent nerve fibers

A

Somatic component of the N.S.

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10
Q

The chemical released by the somatic axon endings (cholinergic)

A

Acetylcholine

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11
Q

2 different components of the N.S. broken up by function

A

Somatic and Autonomic

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12
Q

Part of the N.S. that innervates the glandular epithelium, smooth, and cardiac musculature

A

Autonomic (Visceral) Component of the N.S.

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13
Q

The involuntary portion of the N.S.

A

Autonomic

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14
Q

Parasympathetic subdivision of the visceral component of the N.S. is known as

A

Vegative

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15
Q

Autonomic component of the N.S. involves ____ and ____ structures

A

CNS and PNS

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16
Q

The nerves (PNS) that carry efferent parasympathetic fibers are limited to:

A

Cranial nerves: III, VII, IX, X

Sacral nerves 2, 3, 4

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17
Q

places where we find nerves that carry parasympathetic info is known as a

A

craniosacral subdivision

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18
Q

Two efferent neurons that are utilized to reach the gland cell or muscle cell involved are the

A

preganglionic (first) and postganglionic (second)

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19
Q

Autonomic preganglionic (___) neuron is _____

A

first, long

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20
Q

Autonomic postganglionic (____) neuron is _____

A

second, short

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21
Q

Preganglionic parasympathetic neurons release

A

acetylcholine

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22
Q

postganglionic parasympathetic neurons release

A

acetylcholine

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23
Q

Autonomic component of the N.S. is said to be a _____ system

A

cholinergic

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24
Q

Fight or flight

A

Sympathetic subdivision of the visceral component of the N.S.

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25
Q

Neurons of the sympathetic subdivision are located in…

A

both the CNS and PNS

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26
Q

PNS nerves that carry sypathetic efferent fibers are…

A

spinal nerves T1 through and including L2

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27
Q

Preganglionic sympathetic neurons are

A

short

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28
Q

Postganglionic sympathetic neurons are

A

longer

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29
Q

Preganglionic sympathetic neurons release

A

ACH

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30
Q

Postganglionic sympathetics neurons release

A

norepinephrine

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31
Q

Sympathetic subdivision of the Visceral component of the N.S. is said to be an

A

adrenergic system

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32
Q

In the sympathetic subdivision, exceptions, where ACH is released at the target, are known as:

A

sweat glands and arrector pili muscles

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33
Q

Slows heart rate / speeds peristalsis / constricts the pupil / constricts respiratory tree

A

parasympathetic

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34
Q

speeds heart rate / decreases peristalsis / dilates the pupil / dilates respiratory tree

A

sympathetic

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35
Q

Sympathetic ratio of preganglionic to postganglionic neurons

A

1:17

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36
Q

Parasympathetic ratio of preganglionic to postganglionic neurons

A

1:2

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37
Q

Neuron cell bodies in CNS trace origin to

A

neural tube

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38
Q

neuron cell bodies in PNS trace origin to

A

neural crest cells

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39
Q

The 3 primary brain vesicles

A

Prosencephalon (forebrain), mesencephalon (midbrain), and Rhombencephalon (hindbrain)

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40
Q

The 5 secondary Vesicles

A

Telencephalon, Diencephalon, Mesencephalon, Metencephalon, and Myelencephalon

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41
Q

Prosencephalon gives rise to

A

telencephalon and diencephalon

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42
Q

Mesencephalon gives rise to

A

Mesencephalon

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43
Q

Rhombencephalon gives rise to

A

metencephalon and myelencephalon

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44
Q

The 5 secondary vesicles give rise to

A

mature structures

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45
Q

Telencephalon gives rise to

A

cerebral cortex, basal ganglia, and lateral ventricles

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46
Q

Diencephalon gives rise to

A

Thalamus, Hypothalmus, Pineal Gland, and 3rd ventricle

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47
Q

Mesencephalon (Secondary vesicle) gives rise to

A

corpora quadrigemina, cerebral peduncles, and cerebral aqueduct (of sylvius)

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48
Q

Metencephalon gives rise to

A

cerebellum, pons, and 4th ventricle

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49
Q

myelencephalon gives rise to

A

medulla oblongata, 4th ventricle (continuous with spinal cord)

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50
Q

Brain at birth =

A

10% of body wt. / uses 50 - 60% of O2

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51
Q

Brain in adult =

A

2 - 2.5% body wt. / uses 20% of O2

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52
Q

Neuroepithelial cells (stem cells) give rise to

A

Neuroblast, Ependymal Cells, Glioblast

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53
Q

Neuroblasts give rise to

A

neurons

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54
Q

Glioblasts (or spongioblasts) give rise to

A

Astrocytes and oliodendrocytes

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55
Q

Glioblast cells can undergo

A

mitosis

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56
Q

The functional connective tissue of the CNS come from

A

glioblast and its derivations

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57
Q

Secrete chemicals that attract or repel migrating neurons

A

functional connective tissue

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58
Q

What cells help guide neurons

A

glioblast

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59
Q

It is estimated that in total there are 5 - 10 times as many ____ and _____ as neurons in the adult human brain

A

astrocytes / oliodendrocytes

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60
Q

Most numerous cell of the adult central nervous system

A

Astrocytes (stellate shape)

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61
Q

A stroke is most likely cause to move ______ around

A

astrocytes

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62
Q

Astrocytes are mostly not

A

mitotic

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63
Q

Protoplasmic astrocytes found in

A

gray matter

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64
Q

fibrous astrocytes found in

A

white matter

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65
Q

The primary job of astrocytes

A

structural support cell

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66
Q

Astrocytes are found between blood vessel capillaries and neuron cell bodies. Those in this position are said to be part of the ________ _______ ______

A

Blood Brain barrier

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67
Q

Astrocytes store

A

glucose (glycogen)

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68
Q

Astrocytes form (what) following a CNS injury.

A

“scar-like” tissue (this is where mobility potential may be of use)

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69
Q

Oligodendrocytes are found in the

A

white matter

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70
Q

Interfascicular oligodendrocytes form _____ ____ around most CNS neuron axons

A

myelin sheaths

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71
Q

Perineural oligodendrocytes are unclear but may serve a type of _____ ______ in the CNS

A

nutrient role

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72
Q

What cells line the central canal and ventricles of the CNS

A

Ependymal Cells

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73
Q

Most ependymal cells are classified as

A

simple cuboidal

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74
Q

Ependymal cells secrete CSF and form the

A

choriod plexus in each ventricle

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75
Q

Is there cilia present in Ependymal cells?

A

Yes, but NO. At first they are ciliated. but by the time we are adults they are lost.

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76
Q

Tanycytes are found in 1 place

A

3rd ventricle ependymal cells

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77
Q

Tanycytes are responsible for transporting things from the CSF to

A

hypophsial portal system

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78
Q

Most common brain tumor

A

astrocytoma

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79
Q

Most lethal primary brain tumor (more frequent in older people)

A

Glioblastoma

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80
Q

Most restrictive glioma?

A

ependymoma (derived from ependymal cells and restricts CSF, Blood flow down, and Intracranial pressure aka ICP is high)

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81
Q

This is mesodermally derived. They arise from fetal macrophages and invade from the bloodstream during embryonic and fetal development

A

Microglia

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82
Q

Microglia phagocytic function

A

responsible for clearing dead and damaged tissue and may even wall off damaged areas along with the astrocytes

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83
Q

Microglia also ______ ______ responses within the CNS

A

mediate immune

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84
Q

HIV infects

A

microglia

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85
Q

Neuroblast cells show little _____ activity but do undergo _____ / ______ and ______

A

mitotic, growth/maturation and adaption.

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86
Q

______ and _____ _____ during critical embryonic and foetal stages may cause under/over shooting of designated targets

A

radiation and alcohol exposure

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87
Q

The neuron is the _____, _____, and ______ _____ of the ner-vous system.

A

genetic, anatomical, and functional unit

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88
Q

Neurons are classified into ______ and _______

A

anatomical and physiological

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89
Q

Anatomicallyl neurons are based on _____ and generally designated as ____, _____, and _____

A

appearance, unipolar, bipolar, and multipolar

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90
Q

Physiologically neurons are based on ______ and _____ and generally designated as _____, _____ and _____

A

function, position, sensory, motor, internuncial

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91
Q

General sensory neurons in ganglia with one process =

A

unipolar/pseudounipolar

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92
Q

Special sensory organs (neurons with two processes)

A

Bipolar

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93
Q

Every neuron will have ____ axon process sending information away from the cell body

A

ONE

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94
Q

______ neurons have more than 2 processes, they are more in our CNS then anything else

A

Multipolar neurons

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95
Q

Most common type of neuron

A

multipolar

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96
Q

Neurons that carry information towards CNS

A

Sensory

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97
Q

Dendrites carry information

A

towards cell body

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98
Q

Axon carry information

A

away from cell body

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99
Q

Neurons that carrying information away from the CNS

A

motor

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100
Q

Neurons that are located entirely within the CNS structures. They are like messengers or connectors between incoming sensory and outgoing motor neurons. Terms associative or interneuron are sometimes used synonymously

A

Internuncial

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101
Q

An internuncial neuron that connects equivalent structures on opposite sides of the CNS

A

Commissural

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102
Q

An internuncial neuron that begins in one structure and terminates in a different structure of the CNS

A

Projection

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103
Q

A projection that stays on the same side

A

ipsilateral

104
Q

a projection that crosses to the opposite side

A

contralateral

105
Q

an internuncial neuron in the spinal cord that begins and ends at the same cord level

A

intra segmental

106
Q

an internuncial neuron in the spinal cord that begins at one cord level and terminates at another cord level

A

inter segmental

107
Q

Where ACH is stored

A

telodrenia

108
Q

Where ACH would be released

A

Neuropodia

109
Q

Where most action potentials happen

A

axon hillock

110
Q

Axon of 1 neuron receives informatino from axon

A

Axoaxonic (least common)

111
Q

dendritic of 1 neuron receives information from axon

A

axodendritic (most common)

112
Q

cell body of 1 neuron receives information from axon

A

axosomatic

113
Q

Where are mitochondra most abundant

A

cell body and telodendria

114
Q

What are Nissil Bodies

A

(large neurons) Clumps of rough ER plus free ribosomes and iron deposits

115
Q

What is another name for nissl bodies

A

tigroid bodies

116
Q

When a neuron is injuried, the nissl bodies respond quickly disperse. This is called

A

chromotolysis

117
Q

A fragmentation of the golgi apparatus under injurious condition, this process is called…

A

retispersion

118
Q

Neurofibrils: largest give cell its shape

A

microtubules

119
Q

Diameter of microtubules?

A

20-30 nm

120
Q

Neurofibrils: Smallest size and run longitudinally and cercumferentially and are often associated with the axolemma?

A

Microfilaments

121
Q

Size of Microfilaments?

A

3-5 nm diameters

122
Q

Neurofibrils: These are moderat diameter filaments

A

Neurofilaments

123
Q

size of neurofilaments?

A

9-10 nm

124
Q

What is axoplasmic (cell) transport?

A

movement of “raw materials” within the cell

125
Q

Axoplasmic flow is only

A

away from the cell body

126
Q

____ ____ is intracellular (intraneuronal) movement of such items as protein building blocks for the neurofibrils and mitochondria.

A

Slow transport of (axoplasmic transport)

127
Q

Slow transport is _______ mm/day. Speed of flow is directly related to axon length but _____ energry is required.

A

0.1 - 3.0, little

128
Q

____ ______ is intracellular (intraneuronal) movement of such items as synaptic vesicles (or precursors), lysosomes, and certain enzymes.

A

fast transport of (axoplasmic transport)

129
Q

Fast transport is _______ mm/day. May occur in the anterograde or ______. Speed of transport is not related to axon length and is _____ ______.

A

100-400. retrograde. energy dependent

130
Q

_____ can die as a result of slow transport because of SUBLUXATION.

A

Neurons

131
Q

Made by a surrounding cell. Not the neuron, and is always white

A

Myelin coverings

132
Q

Myelin is made by a surrounding cell

A

interfascicular digodenrocytes

133
Q

fibers < 1 micron

A

not myelinated

134
Q

fibers > 2 microns

A

are myelinated

135
Q

fibers > 1m but > 2m

A

may be myelinated

136
Q

There is not myelin over _____, ______, or_______

A

telodendra, perikaryon or hillock

137
Q

The ______ the myelin the _____ an impulse will be conduced along the neuron fiber

A

thicker, faster

138
Q

_____ _____ _____ is one mechanism used by the nervous system to achieve coordination

A

variable conduction speed

139
Q

two things that determine conduction velocity

A
  1. fiber diameter

2. myelation (has a dramatic effect on C.V. w/out taking up much [conduction velocity] space

140
Q

Every PNS nerve fiber has a covering (what cell)?

A

Schwann Cell

141
Q

There are ______ PNS nerve fibers. They do have a Schwann cell covering but are not ______.

A

unmyelinated, myelinated

142
Q

An example of an unmyelinated PNS nerve fiber

A

post-ganglionic sympathetic neuron

143
Q

The _____ the neuron fiber diameter the _____ each schwann cell will be

A

thicker, longer

144
Q

Where one schwann covering cell meets another is called

A

Node of Ranvier

145
Q

Where the schwann covering cell exists, you have an _____

A

internode

146
Q

_____ ______ will begin at the Node of Ranvier

A

Collateral branch

147
Q

This highly vascular, fibrous and cellular matrix is around each neurilemma

A

Endoneurium

148
Q

This coat wraps around groups of fibers (fasciculi).

A

Perineurium

149
Q

Perineurium is the most _____ of the mesodermal covers and it is continuous with the ____ and the ____ ____ as it approaches the CNS structures

A

elastic, pia, arachnoid maters

150
Q

The ______ is the outer coat of a nerve

A

epineurium

151
Q

The epineurium adds _____, _____ and ______ to the fasciculi within.

A

protection, strength and support

152
Q

Epineurium may occupy ____% to ____% of the cross sectional area of the nerve. It is continuous with the ____ ___ as it approaches the CNS structures

A

25 - 85, dura mater

153
Q

Each schwann cell forms

A

1 internode

154
Q

CNS myelin coverings are

A

interfascicular digodendrocytes

155
Q

Are Nodes of Ranvier/Internodes present in the CNS?

A

Yes, but you must substitute the oligodendrocyte in place of the schwann cell

156
Q

What attacks schwann cells?

A

Guillain Barré Syndrome

157
Q

Multiple sclerosis destroy’s ______

A

oligoderadrocytes

158
Q

The first chemical transmitter identified

A

ACH

159
Q

Most widespread inhibitory neurochemical

A

GABA

160
Q

The most abundant neurochemical (generally excitatory)

A

Glutamate

161
Q

Covers the entire CNS and the roots of the PNS within the vertebral canal and cranial vault.

A

Dura Mater

162
Q

Dura mater is ____ ____ of the nervous system

A

not part

163
Q

The outer highly vascular layer of the dura mater

A

endosteal dura

164
Q

Endosteal dura is ____ to the cranial bones

A

fused

165
Q

Inner more fibrous layer of the dura mater

A

menigeal dura

166
Q

The menigeal dura is separate from the endosteal dura only where a ____ or ____ ____ ___ is created

A

falx, or dural venous sinus

167
Q

Within the ______ ______ the dura has only one layer

A

vertebral canal

168
Q

The one layer in the vertebral canal of dura mater is

A

inner meningeal dura

169
Q

An actual _____ space is created along the vertebral canal

A

epidural

170
Q

Epidural space is filled with

A

areolar and adipose connective tissue

171
Q

Epidural space holds a complex which is?

A

internal vertebral venous plexus

172
Q

What structures does the dura mater fuse too?

A

Foramen magnum, dorsal surface of the lower sacrum and first coccygeal segment

173
Q

Slips of dura making attachment into the ligaments or periosteum of the axis, lower cervical and occasionally thoracic vertebrae. These are sometimes called what?

A

meningovertebral legaments

174
Q

Dural falces are _____ layers of _____ dura extending into a few ____ of the brain

A

double, meningeal, fissures

175
Q

Dural falces are _____ shaped, for the most part, therefore called ___ = _____

A

sickle, falx = sickle

176
Q

_____ ______ is located in the great longitudinal cerebral fissure between the Rt/Lt cerebral hemispheres

A

Falx Cerebri

177
Q

Falx cerebri extends from the ____ _____ of the ethmoid bone to the ______ _______ ______ of the occipital bone

A

Crista Galli, Internal Occipital Protuberance (IOP)

178
Q

_____ separates your cerebellum

A

falx cerebelli

179
Q

Falx Cerebelli: The fixed portion of the falx lies along the what?

A

Internal occipital crest

180
Q

The tentorium cerebelli is built like a ____ over the _____ and under the ____ ____ of the cerebrum.

A

tent, cerebellum, occipital lobes

181
Q

The opening left in the middle between LT. and Rt. tentorial wings are called the…

A

tentorial hiatus

182
Q

The brain stem comes up through what opening?

A

tentorial hiatus

183
Q

Meningeal dura that forms a “roof” over the sella turcica (pituitary fossa) & is perforated in the middle by the infundibular stalk (to the pituitary).

A

diaphragma sellae

184
Q

Supratentorial cranial nerves

A

5 & 7

185
Q

Infratentorial cranial nerve

A

10

186
Q

Cephalgia means

A

headache

187
Q

many throbbing headaches are located where?

A

meningeal arteries

188
Q

Non-vascular membrane, and inner and outer walls are composed of simple squamous cell lining

A

arachnoid mater

189
Q

Simple squamous cells are unusual in that some are capable of becoming _____and _____

A

motile and phagocytic

190
Q

tumors on the arachnoid but originate from the arachnoid

A

meningiomas

191
Q

Arachnoid mater follows the path of _____

A

dura

192
Q

The largest cranial cistern

A

cerebellomedullary cistern (Cisterna Magna)

193
Q

The fourth ventricle opens into _____ _______ via the median foramen

A

cerebellomedullary cistern (cisterna magna)

194
Q

Cistern of the great cerebral vein is deep within the

A

transverse (horizontal) cerebral fissure

195
Q

Anterior aspect of Pons

A

Pontine Cistern

196
Q

A pair of opening enter the pontine cistern laterally from the fourth ventricle called the…

A

lateral foramina (of luschka)

197
Q

What is the region between the cerebral peduncles on the anterior aspect of the midbrain?

A

Interpeduncular Cistern

198
Q

Much of the (what?) is found along the epipia of the interpeduncular cistern?

A

cerebral arterial circle (of willis) vascularization

199
Q

This cistern extends around the tapering end of the spinal cord?

A

Lumbar Cistern

200
Q

The _____ Cistern is where CSF is removed during a lumbar spinal tap? Needle generally inserted between spinous process of ___ and ____

A

Lumbar, L4 and L5

201
Q

Also called pacchionian bodies (when calcified)

A

Arachnoid nilli

202
Q

Arachnoid villi is most prominent along the

A

superior sagittal dural sinus

203
Q

(This) allows used CSF to be removed from the subarachnoid space and carried out of the cranial vault by way of the dural venous sinuses

A

Arachnoid Villi

204
Q

The innermost meninx, it is a vascular transparent membrane and is lumped with the arachnoid as part of the leptomeninx

A

Pia mater

205
Q

The pia mater does dip into all _____ and _____ of the brain

A

fissures and sulci

206
Q

The denticulate ligaments in the vertebral canal are formed by the _____

A

pia

207
Q

The ____ ____ ____ is formed primarily by the outer pial layer of the pia mater.

A

Filum terminale internum

208
Q

Melanophores occasionally give rise to _____

A

Melanomas

209
Q

the perivascular space is found between the ____ and the ___ ____

A

pia, blood vessel

210
Q

Epidural hematoma is located where?

A

between the skull and the periosteal dura (above the dura)

211
Q

Epidural hematoma is most commonly due to a rupture of the ____ ____ ____ due to head trauma

A

middle meningeal artery

212
Q

Epidural hematoma results in an increase in _____ ____ and ____ ____

A

intracranial compression and bran compression

213
Q

Subdural hematoma is most commonly due to a rupture of ____ ____ due to a ____ ____

A

bridging veins, shear injury

214
Q

Subarachnoid hemorrhage is ___-_____

A

non-tramatic (spontaneous)

215
Q

Subarachnoid hemorrhage is usually associated with a ruptured ______ or ____ ______

A

aneurysm or A-V malformation

216
Q

What is usually presented as “worst headache of my life”

A

subarachnoid hemorrhage

217
Q

Mature brain weight is about ____ of our body weight

A

2-2.5%

218
Q

Mature brain utilizes about _____ of the oxygen and sugar used per unit time at rest

A

20%

219
Q

most common form of a stroke is an

A

aneurysm

220
Q

80% of stroke or cerebrovascular accidents have already reported signs of

A

transient ischemic attacks (TIA’s) in the last 24 hours

221
Q

The middle cerebral arty and its branches are the most common reported sites for ____

A

strokes

222
Q

The ____ ____ _____ supply the majority of blood to the brain (2/3rds)

A

internal carotid arteris

223
Q

Vertebral artery travels through ____ ____

A

tranvers foreman (C1-C6)

224
Q

This small artery sends nearly 200 branches into the ventral aspect of the spinal cord

A

anteromedial longitudinal artery trunk (AMLAT)

225
Q

This artery consists of 2 arteries that contribute to the blood supply to the spinal cord

A

Posterolateral longitudinal artery trunks (PLLAT)

226
Q

This artery supplies more total blood to the cord then do the three longitudinal vessels

A

semental artery

227
Q

Areas of the cord that are vulnerable due to minimal anastomoses between vessles are?

A

Posterior surface of T1-T3 and anterior surface near T4 and L1

228
Q

Vessels must eventually reach the white and gray matter of the CNS. They penetrate inward from the pia mater with a slight cuff of pia called the…

A

pial coat

229
Q

The space between the blood vessel and the pia is the

A

perivascular space or verchow robin space

230
Q

The perivasculare space or verchow robin space contains a mix of _____ and ____ _____

A

CSF and interstitial fluids

231
Q

The CNS has a new supply of blood every ____

A

6 seconds

232
Q

There is _____ mL of blood present in the brain and ____mL of blood passes thru the brain in one minute

A

75, 800

233
Q

The most common capillary type is the

A

continuous capillary

234
Q

Continuous capillary lacks

A

holes

235
Q

continuous capillary does not have

A

fenestrae “windows”

236
Q

Continuous capillariers have the ____ wall construction. Junctions between cells are tight and the basement membranes are ____.

A

think, thick.

237
Q

Choroid plexus makes

A

CSF

238
Q

_____ are present up to 85% of the capillary surfaces

A

astrocyte (this is not part of BBB)

239
Q

Some substances that cross the BBB

A

lipid-soluable, L-dopa (amino acid)

240
Q

Some substances that do not cross the BBB

A

water-soluable (Botox, dopamine)

241
Q

_____ and ____ of the CNS usually do not follow back the same course the arteries and arterioles follwed inward

A

venules and veins

242
Q

Most cerebral veins penetrate the _____ ____ and ____ ____ to drain into the ____ ____ ____.

A

arachnoid mater and meningeal dura, dural venous sinuses

243
Q

Vault drainage of dural venous sinus blood is into the rt./ or lt. ____ ____ ___ at the jugular foramina

A

internal jugular veins

244
Q

What is the longest dural venous sinus?

A

superior sagittal dural venous sinus

245
Q

Most blood in the superior sagittal dural venous sinus flows into the ___________________ after passing through the confluence of the sinuses.

A

right transverse dural venous sinus

246
Q

This DVS runs along the posterior two-thirds of the falx cerebri (unattached/free margin)

A

inferior sagittal dural venous sinus

247
Q

The inferior sagital DVS and great cerebral vein (of Galen) epties blood into the

A

straight dural venous sinus

248
Q

This DVS is at the junction of falx cerebri, tentorium cerebelli and falx cerebelli. It also runs in a posterior inferior direction to the confluence of the sinuses

A

Straight (rectus) DVS

249
Q

Straight DVS drainage is usually into the

A

left transverse DVS

250
Q

This DVS runs along the attached margin of the falx cerebelli into the confluence of the sinuses.

A

Occipital dural venous sinus

251
Q

Occipital DVS flow is usually into the

A

left transverse dvs

252
Q

Also known as the torcular herophili

A

Confluence of the sinuses

253
Q

This DVS has large sinuses and is bilateral

A

transverse dvs

254
Q

This DVS is bilateral and begins when the transverse sinus leaves the tentorium cerebelli

A

sigmoid dural venous sinuses

255
Q

This DVS is continuous with the internal jugular vein

A

sigmoid dural venous sinuses

Palmer CNS Torgerud (2 decks)

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