Anatomy of the Nervous System X Flashcards
Peripheral Nervous System
**
Composed of all the nervous structures outside the CNS that connect the CNS to the body
Ganglia
collections of neuronal cell bodies and process with common function
Cranial Nerve
Nerves that emerge from cranial cavity
Spinal Nerve
Emerge from Spine
Spinal nerve - #, type
31 total - 8C, 12T, 5L, 5S, 1Co
Somatic
Skin and Muscles
Visceral
Organs
GSA
**
sensation from skin
GSE
**
motor informational to skeletal muscle
GVA
**
sensations from organs
GVE
**
Motor information to organs
Sensory information flow
**
Afferent information from skin to spinal cord
ADD
Plexus
Network of Rami
Cutaneous Nerve
**
Mixed nerves which supply the skin and structure within skin
NOT a sensory nerve
Does not contain GSE
Branches of a Spinal Nerve
**
Dorsal Rootlet -> Dorsal Root -> Dorsal Root Ganglion -> Spinal Nerve -> Dorsal Ramus
Ventral Rootlet -> Ventral Root -> Ventral Ramus