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Bio 223 > Ch 13.1 > Flashcards

Ch 13.1 Flashcards

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Biology 101 flashcards
1
Q

What are the Special parts/group/Nuclei of the Midbrain?

A
  • Cerebral peduncles
  • Substanicia nigra
  • Red nuclei
  • Superior colliculi
  • Interior colliculi
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2
Q

What are the Special parts/group/Nuclei of the Limbic system?

A
  • Cingulate Gyrus
  • Hippocampus
  • Amygdala
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3
Q

What are the parts of the Diencephalon?

A

Thalamus
Subthalamus
Epithalamus
Subthalamus

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4
Q

What are the Special parts/group/Nuclei of the Medulla oblongata?

A
  • Dorsal respiratory group
  • Ventral respiratory group
  • Gustatory nucleus
  • Cochlear nucleus
  • Vestibular nuclei
  • Pyramids
  • Olives
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5
Q

What are the Special parts/group/Nuclei of the Pons?

A

Pontine
Pontine nuclei
Pontine respiratory group

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6
Q

The Brainstem consists of

A

Midbrain
Pons
Medulla oblongata

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7
Q

What are the Special parts/group/Nuclei of the Hypothalamus?

A
  • Infundibulum

- Mammillary body

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8
Q

What are the Special parts/group/Nuclei of the Thalamus?

A
  • Medial geniculate nucleus
  • Lateral geniculate nucleus
  • Ventral geniculate nucleus
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9
Q

What are the Special parts/group/Nuclei of the Cerebellum?

A
  • Cerebellar peduncles
  • Flocculonodular lobes
  • Cerebellar nuclei
  • Superior colliculi
  • Folia
  • Arbor vitae
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10
Q

What are the Special parts/group/Nuclei of the Cerebrum?

A
  • Corpus callosum
  • Gryi
  • Sulci
  • Longitudinal fissure
  • Lateral fissure
  • Central sulcus
  • Medulla
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10
Q

What are the Special parts/group/Nuclei of the Cerebrum?

A
  • Corpus callosum
  • Gryi
  • Sulci
  • Longitudinal fissure
  • Lateral fissure
  • Central sulcus
  • Medulla
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11
Q

What are the Special parts/group/Nuclei of the Subthalamus?

A

-Subthalamic nuclei

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12
Q

What are the Special parts/group/Nuclei of the Epithalamus?

A
  • Pineal gland

- Habenula

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13
Q

What are the cranial nerves by number and sensory or motor?

A 
I - Olfactory - Sensory
II- Optic - Sensory
III- Oculomotor - Motor
IV - Trochlear - Motor
V - Trigeminal - Sensory & Motor
VI - Abducens - Motor
VII - Facial  - Sensory & Motor
VIII - Vesibulochlear - Sensory
IX - Glossopharyngeal - Sensory & Motor
X - Vagus - Sensory & Motor
XI - Accessory - Motor
XII - Hypoglossal - Motor
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14
Q

What are the meninges of the spinal cord? Superficial to deep

A 
Bone
Epidural space
Dura mater
Subdural Space
Arachnoid space
Subarachnoid space
Pia Mater
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15
Q

The cervical plexus is what vertebrae and serves what body part?

A

C1-C5

Neck and phrenic nerve of diaphram

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16
Q

The Brachial plexus is what vertebrae and serves what body part?

A

C5-T1
Lower limb, some shoulder, neck.
*Carpal tunnel syndrome

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17
Q

The Lumbar plexus is what vertebrae and serves what body part?

A

L1-L4

Ab, interior thigh, genitalia

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18
Q

The Sacral plexus is what vertebrae and serves what body part?

A

L4, L5, S1-S4

Lower trunk and limbs

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19
Q

The Coccygeal plexus is what vertebrae?

A

S4, S5, C0

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20
Q

Name the sections of the spinal cord?

A 
Cervical
Thoracic
Lumbar
Sacral
Coccygeal
21
Q

Name the areas indicated by the arrows

A

Cervical enlargement

Lumbosacral enlargement

22
Q

Name the areas indicated by arrows

A

Conus Medullaris
Cauda equina
Filum terminale

23
Q

What is the Cauda equina made of?

A

Bundle of spinal nerves

24
Q

What is the filum terminale?

A

Provides longitudinal support to spinal cord

25
Q

What protects the spinal cord?

A

Bone, Meninge and CSF

26
Q

Where does the spinal cord exit and extend to?

A

Exits foremen magnum and extends to 2nd lumbar vertebrae

27
Q

How many spinal nerves exit each region?

A 
8 - Cervical
12 - Thoracic
5 - Lumbar
5 - Sacral 
1 - Coccygeal
28
Q

Name the parts of the spinal cord cross section?

A
  1. Lateral horn
  2. Rootlets
  3. Central canal
  4. Anterior median fissure
  5. Anterior horn
  6. Ventral root
  7. Dorsal root ganglion
  8. Posterior horn
  9. Posterior median sulcus
    .
29
Q

How is white matter organized?

A

Into columns (Ascending and descending info)

30
Q

What do gray and white commissures contain?

A

Contain axons that cross to the other side of the cord

31
Q

What does white matter contain?

A

Myelinated axons

32
Q

What does gray matter contain?

A

Cell bodies, interneurons, dendrites, axons

*Site of integration

33
Q

What nuclei does the lateral horn have?

A

Sympathetic motor nuclei

34
Q

What nuclei does the anterior horn have?

A

Somatic motor nuclei

35
Q

What nuclei does the posterior horn have?

A

Incoming sensory neurons and interneurons

36
Q

The dorsal root ganglion houses what

A

Cell bodies of sensory neurons - incoming sensory

37
Q

The ventral root has

A

Exiting somatic motor signals

38
Q

The central canal contains

A

CSF, lined with ependymal cells

39
Q

Name the structures indicated by the arrows

A

Dorsal root ganglion
Dorsal ramus
Ventral ramus
Communication rami

40
Q

What does the dorsal ramus do?

A

Innervates skin and deep muscles of back

41
Q

What does the communication rami do?

A

Communicates with sympathetic chain ganglia

42
Q

Name the inward extensions of the dura

A

Falx Cerebri - separates R&L halves of cerebrum
Tentorium cerebelli - Separates cerebrum from cerebellum
Falx cerebelli - Separates R&L halves of cerebellum

43
Q

Name the parts of the Spinal cord cell

A
  1. Neurilemma
  2. Epineurium
  3. Perineurium
  4. Fascicle
  5. Endoneurium
  6. Axon
44
Q

What does the reticular formation do?

A

A set of interconnected nuclei that are located through out the brainstem

45
Q

What do the descending tracts of reticular formation do?

A

Control somatic motor - Muscle tone to maintain balance and posture
*Cardio and vasomotor centers of medulla

46
Q

What do the Ascending tracts of reticular formation do?

A

Projections into the thalamus& cerebral cortex

  • Auditory, pain, touch, pressure and other mental activities except during sleep
47
Q

What does decreased activation in reticular formation mean? What about damaged to reticular formation?

A

Sleep

Possible coma

48
Q

What is habituation?

A

Prevents sensory overload

49
Q

Reticular formation in pons contains?

A

Additional nuclei concerned with sleep, respiration and posture

Bio 223 (37 decks)

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