a ganglion on the dorsal root of each spinal nerve, containing the cell bodies of sensory nerves.
spinal ganglion n.
The ganglion of the posterior root of each spinal segmental nerve, containing the cell bodies of the unipolar primary sensory neurons. Also called dorsal root ganglion.
- Spinal headache
spinal headache n. A headache that is brought on by sitting or assuming an upright posture following spinal anesthesia; it is usually relieved by lying down.
- Spinal marrow
spinal marrow n. See spinal cord.
- Spinal meningitis
spinal meningitis n. Inflammation of the membranes enclosing the spinal cord, especially a usually fatal form that affects infants and young children and is caused by a strain of gram-negative bacteria (Hemophilus influenzae).
- Spinal muscle of head
spinal muscle of head n. An inconstant extension of the spinal muscle of the neck to the occipital bone, sometimes fusing with the semispinal muscle of the head.