Week 8: Cervical Nerves Flashcards
Spinal nerves are connected to spinal cord via
dorsal and ventral roots
Spinal nerves emerge through ___ _____ and branch into
intervertebral foramina
dorsal and ventral branches
Dorsal branches of spinal nerves supply
epaxial muscles
Ventral branches of spinal nerves supply
hypaxial muscles
How many cervical spinal nerves?
8
How many cervical vertebrae
7
First pair of cervical spinal nerves emerge through
lateral vertebral foramina of the atlas
Cervical spinal nerves 2-7 emerge (cranial or caudal) to their corresponding cervical vertebrae?
Cranial
Cervical spinal nerve 8 emerges (cranial or caudal) to corresponding cervical vertebrae 7?
Caudal
Thoracic spinal nerves 1-13 and lumbar spinal nerves 1-7 will emerge (cranial or caudal) to their corresponding vertebrae?
Caudal
First two sacral spinal nerves emerge through
the sacral foramina (dorsal and pelvic sacral foramina)
Third sacral spinal nerve emerges between
the intervertebral foramen, between the sacrum and first caudal vertebrae
What passes through the transverse foramina of cervical vertebrae 1-6
Vertebral artery, vein, and nerve
Where is the second cervical spinal nerve located?
- Immediately caudal to the wing of the atlas
- Emerges between the cleidomastoideus and the omotransversarius
The ventral branches of the cervical spinal nerves penetrate what?
The omotransversarius
