ch.14 spinal nerve branches

Question 1

Dorsal root

Answer 1

sensory neurons to spinal cord; dorsal root ganglion formed from cell bodies of sensory neurons

Question 1

Ventral roots

Answer 1

motor neurons from spinal cord; no ganglion

Question 2

dorsal ramus

Answer 2

general sensory and motor nerve supply for muscles and skin of backv

Question 3

ventral ramus

Answer 3

larger spinal nerve branch for sensory and motor nerve supply to muscles and skin of the anterolateral body wall, upper limbs and lower limbs; most ventral rami become parts of nerve plexuses

Question 4

rami communicantes

Answer 4

from ventral ramus to sympathetic trunk ganglion of sympathetic trunk; contains neurons for SANS functions