Anatomy of the Nervous System X Flashcards Preview

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Flashcards in Anatomy of the Nervous System X Deck (16):
1

Peripheral Nervous System
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Composed of all the nervous structures outside the CNS that connect the CNS to the body

2

Ganglia

collections of neuronal cell bodies and process with common function

3

Cranial Nerve

Nerves that emerge from cranial cavity

4

Spinal Nerve

Emerge from Spine

5

Spinal nerve - #, type

31 total - 8C, 12T, 5L, 5S, 1Co

6

Somatic

Skin and Muscles

7

Visceral

Organs

8

GSA
**

sensation from skin

9

GSE
**

motor informational to skeletal muscle

10

GVA
**

sensations from organs

11

GVE
**

Motor information to organs

12

Sensory information flow
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Afferent information from skin to spinal cord
ADD

13

Plexus

Network of Rami

14

Cutaneous Nerve
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Mixed nerves which supply the skin and structure within skin
NOT a sensory nerve
Does not contain GSE

15

Branches of a Spinal Nerve
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Dorsal Rootlet -> Dorsal Root -> Dorsal Root Ganglion -> Spinal Nerve -> Dorsal Ramus
Ventral Rootlet -> Ventral Root -> Ventral Ramus

16

Motor Information Flow
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Efferent information from spinal cord to skeletal muscle
ADD