Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

anatomy 2 > brain part 1 > Flashcards

brain part 1 Flashcards

1
Q

what are the 4 parts of the brain

A

cerebrum
diencephalon
brain stem
cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what are the 3 parts of the diencephalon

A

thalamus
hypothalamus
epithalamus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what are the 3 parts of the brain stem

A

midbrain (mesencephalon)
pons
medulla oblongata

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

the medulla oblongata becomes the ____, when it passes through the ___

A

spinal cord
foramen magnum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what is the most sup part of the brain stem

A

the midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what part is this?

A

medulla oblongata

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what part is this?

A

pons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what part is this?

A

midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what part is this?

A

diencephalon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what part is this?

A

cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what part is this?

A

cerebrum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

where does the cerebellum sit

A

in the posterior cranial fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what protects the brain

A

the skull and meninges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are the 3 meninges types

A

pia mater
arachnoid mater
dura mater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

where is the pia mater

A

adhered tightly to the surface of the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what happens with excessive swelling

A

pushes through the foramen magnum, consistent with death

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

does the arachnoid mater always adhere to the pia mater?

A

no, forms cisterns, containing CSF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

the subarachnoid space contains ___

A

CSF (cerebrospinal fluid)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what are arachnoid villi

A

finger like extensions of the arachnoid mater that push into the dural venous sinuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what is the main functional feature that arachnoid villi have

A

have one way valves that allow CSF into the blood, but no blood into the CSF

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

how many layers does the dura mater have

A

2 (in brain)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what are the 2 layers of the dura mater

A

periosteal mater (outer)
meningeal layer (inner)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

the dura mater layers are fused together where

A

everywhere except where they surround venous sinuses

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is the likely pathology of a child with a very large head

A

hydrocephalous
too much fluid in the ventricles of the brain
skull isn’t fused, so expands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
is there an epidural space in the brain?
NOO!!
26
name the locations of the extra-axial hemorrhages (left to right)
subdural epidural subarachnoid
27
what is the weakest part of the skull which is a landmark for what
the pterion landmark for the middle meningeal artery
28
what is this? how can you tell
epidural bleed will not pass sutures midline shift
29
what is the most life threatening bleed?
epidural artery instead of a vein, happens faster
30
what are the 3 extensions of the dura mater
falx cerebri falx cerebelli tentorium cerebelli
31
what is the falx cerebri
in the longitudinal fissure, separates the 2 cerebral hemispheres attaches anteriorly to the Crista galli
32
what is the falx cerebelli
separates the 2 cerebral hemispheres
33
what is the tentorium cerebelli
separates the cerebrum from the cerebellum
34
what is located within the sinuses of the brain
venous blood
35
what is located within the sinuses of the facial bones
air
36
the venous sinuses pass through the ____ to empty into the jugular vein
jugular foramen
37
what passes through the carotid canal
internal carotid artery
38
what is red
falx cerebri
39
what is blue
tentorium cerebelli
40
what is this
falx cerebri
41
what is this
tenterium cerebelli
42
how much of the blood supply does the Brian recieve
20%
43
does the brain store sugar and oxygen?
NO!!
44
what supplies the brain
the internal carotid artery vertebral artery
45
the internal carotid artery supplies what
supplies the anterior and middle parts of the brian
46
the vertebral artery supplies what
the posterior part of the brain
47
the IJV does what
blood drains into IJV from dural venous sinuses and deeper veins
48
astrocytes are important to what
the blood brain barrier
49
the blood brain barrier allows what to cross
O2, CO2, steroid hormones, alcohol, caffeine, water, glucose
50
the blood Brian barrier prevents
proteins, toxins, and most antibiotics from crossing
51
what can cause a breakdown of the BBB
trauma, inflammation, and certain toxins
52
where does CSF circulate
brain ventricles, spinal cord (central canal), in the subarachnoid space
53
what is CSF made up of
mainly water small amnt of O2, glucose, proteins, ions
54
what are the 3 functions of CSF
1. mechanical protection 2. homeostatic fn 3. circulation
55
how does CSF mechanical protection
shock absorber
56
how does CSF homeostatic fn
pH of CSF affects cerebral blood flow and pulmonary ventilation
57
how doe CSF provide circulation
minor exchange of nutrients and wastes between blood and adjacent nervous tissue
58
where is CSF produced
choroid plexus (network of capillaries) in the walls of the ventricles
59
CSF is reabsorbed where
in the arachnoid villi
60
how much CSF is produced daily
about 500ml
61
how much CSF is present in the body at any given time
about 125 ml
62
what occurs when reabsorption is affected
hydrocephalus
63
where is CSF found? (4)
ventricles cisterns subarachnoid of brain and spinal cord central canal of spine
64
how many ventricles of the brain are there? what are they
4 2 lateral third fourth
65
what are the biggest brain ventricles
the laterals
66
what are the parts of a lateral brain ventricle
anterior horn body posterior horn inferior horn
67
the ___ of the lateral ventricles communicate with the ____ through the _____
anterior horns third ventricle interventricular foramina
68
the lateral ventricles play a hug roll in what
cushioning the brain
69
where is the third ventricle
midline, within the diencephalon
70
the htord ventricles communicates with the ___ via the ____
fourth vent cerebral aqueduct
71
where is the fourth ventricle
posterior to the pons (anterior in the cerebellum)
72
the fourth ventricle communicates with ___ via ___
subarachnoid space 3 openings in the roof
73
what are the 3 openings in the roof of the fourth ventric
median aperture lateral aperture x2
74
the fourth ventricle becomes what
the central canal of the spinal cord
75
the cerebrum is also known as what
the "seat of intelligence"
76
why is the cerebrum the seat of intelligence
read, write, speak, calculate, remember past, plan for future
77
the cerebrum makes up ___% of Brian mass
over 80%
78
the cerebrum is divided into the ____ by the ____
right and left hemispheres by the longitudinal fissure
79
what are the 4 lobes of the brain
frontal parietal temporal occipital
80
what are the gyri in the cerebrum
precentral convulution postcentral convolution
81
what are the sulci in the cerebrum
lateral and central sulci
82
what separates the precentral and postcentral gyri
the central sulcus
83
the cerebral cortex is white/gray matter
gray
84
what are the 2 special basal nuclei in the cerebrum
caudate nucleus lentiform nucleus
85
where is the caudate nucleus
gray matter of cerebrum follows curve of lateral ventricle
86
where is the lentiform nucleus
in gray matter of cerebrum posterior and lateral to the caudate nucleus
87
the nasal nuclei in the cerebrum do what
subconscious control of skeletal muscle tone coordination of learned movement important in start, stopping, and monitoring movement initiating/terminating cognitive porcesses
88
what is the corpus callosum
bundle of white matter tracts connecting R/L hemis
89
1
lateral ventricle
90
2
third ventricle
91
4, a, b, c
anterior limb of internal capsule genu of internal capsule posterior limb of internal capsule
92
5
lentiform nucleus
93
6
insula
94
8
thalamus
95
9a, 9b
white matter gray matter
96
what are the lobes of the cerebrum (5)
frontal parietal occipital temporal insula
97
where is the primary motor area
precentral gyrus in the frontal lobe
98
associated with frontal lobe (4)
precentral gyrus premotor cortx brocha's speech area reasoning
99
associated with parietal lobe (3)
primary somatic sensory (pain, temp, light touch) area for taste wernicke's area
100
where is the primary somatic sensory area
postcentral gyrus of the parietal lobe

anatomy 2 (13 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions