Bio 223 > Ch 13.1 > Flashcards

Ch 13.1 Flashcards

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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?

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A 
Cervical
Thoracic
Lumbar
Sacral
Coccygeal
21
Q

Name the areas indicated by the arrows

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A

Cervical enlargement

Lumbosacral enlargement

22
Q

Name the areas indicated by arrows

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A

Conus Medullaris
Cauda equina
Filum terminale

23
Q

What is the Cauda equina made of?

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A

Bundle of spinal nerves

24
What is the filum terminale?
Provides longitudinal support to spinal cord
25
What protects the spinal cord?
Bone, Meninge and CSF
26
Where does the spinal cord exit and extend to?
Exits foremen magnum and extends to 2nd lumbar vertebrae
27
How many spinal nerves exit each region?
``` 8 - Cervical 12 - Thoracic 5 - Lumbar 5 - Sacral 1 - Coccygeal ```
28
Name the parts of the spinal cord cross section?
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
How is white matter organized?
Into columns (Ascending and descending info)
30
What do gray and white commissures contain?
Contain axons that cross to the other side of the cord
31
What does white matter contain?
Myelinated axons
32
What does gray matter contain?
Cell bodies, interneurons, dendrites, axons *Site of integration
33
What nuclei does the lateral horn have?
Sympathetic motor nuclei
34
What nuclei does the anterior horn have?
Somatic motor nuclei
35
What nuclei does the posterior horn have?
Incoming sensory neurons and interneurons
36
The dorsal root ganglion houses what
Cell bodies of sensory neurons - incoming sensory
37
The ventral root has
Exiting somatic motor signals
38
The central canal contains
CSF, lined with ependymal cells
39
Name the structures indicated by the arrows
Dorsal root ganglion Dorsal ramus Ventral ramus Communication rami
40
What does the dorsal ramus do?
Innervates skin and deep muscles of back
41
What does the communication rami do?
Communicates with sympathetic chain ganglia
42
Name the inward extensions of the dura
Falx Cerebri - separates R&L halves of cerebrum Tentorium cerebelli - Separates cerebrum from cerebellum Falx cerebelli - Separates R&L halves of cerebellum
43
Name the parts of the Spinal cord cell
1. Neurilemma 2. Epineurium 3. Perineurium 4. Fascicle 5. Endoneurium 6. Axon
44
What does the reticular formation do?
A set of interconnected nuclei that are located through out the brainstem
45
What do the descending tracts of reticular formation do?
Control somatic motor - Muscle tone to maintain balance and posture *Cardio and vasomotor centers of medulla
46
What do the Ascending tracts of reticular formation do?
Projections into the thalamus& cerebral cortex * Auditory, pain, touch, pressure and other mental activities except during sleep
47
What does decreased activation in reticular formation mean? What about damaged to reticular formation?
Sleep Possible coma
48
What is habituation?
Prevents sensory overload
49
Reticular formation in pons contains?
Additional nuclei concerned with sleep, respiration and posture
Bio 223
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