Spinal Nerves Flashcards
Dorsal root type of nerve
sensory
Ventral root type of nerve
motor
What nerves do the ventral and dorsal contain
mixed nerves
What is the nerve plexus
network of nerves
Four main nerve plexus’s
1) Cervical
2) Brachial
3) Lumbar
4) Sacral
What body region does the cervical plexus innervate
cutaneous and some muscles of the anterior neck
What is a major nerve in the cervical plexus
Phrenic nerve
what does the phrenic nerve do
innervates the diaphragm
What body region does the brachial plexus innervate
neck and axilla
what does the brachial plexus serve
give rise to major nerves of the upper limb
What body regions does the lumbar plexus innervate
posterior abdominal wall and anterior thigh
What body regions does the sacral plexus innervate
caudal to the lumbar plexus
What is a major nerve in the sacral plexus
sciatic nerve
what does the sciatic nerve do
innervates the majority of leg
-2 nerves in 1 sheath
