PNS - Spinal Roots & Spinal Nerves Flashcards
1
Q
Ventral Root
A
Motor neurons
2
Q
Dorsal Root
A
Sensory neurons
3
Q
Dorsal Root Ganglion
A
Cell bodies
4
Q
Spinal Nerve
A
Nerve originating on the spinal cord
5
Q
Dorsal Ramus
A
Innervates or receive input from a narrow strip of muscle & skin in the posterior body trunk
6
Q
Ventral Ramus
A
Innervates ventral body surface, structures in the body wall & limbs; form plexuses
7
Q
Autonomic Nerve
A
A peripheral nerve consisting of preganglionic or postganglionic autonomic fibres.
8
Q
Rami Communicates
A
Axon bundles that link the spinal nerves w/the ganglion of the sympathetic chain
9
Q
Gray Ramus
A
Post-ganglionic fibres that are unmyelinated
10
Q
White Ramus
A
Pre-ganglionic fibres that are myelinated
