noun, plural spinae
[spahy-nee] /ˈspaɪ ni/ (Show IPA). Anatomy, Zoology.
a spine or spinelike projection.
spina spi·na (spī’nə)
n. pl. spi·nae (-nē)
A spine-shaped or sharp thornlike anatomical process.
adjective 1. of, relating to, or belonging to a spine or thornlike structure, especially to the backbone. noun 2. Medicine/Medical. a spinal anesthetic. adjective 1. of or relating to the spine or the spinal cord 2. denoting a laboratory animal in which the spinal cord has been severed: a spinal rat noun 3. short for […]
noun 1. accessory nerve.
- Spinal anaesthesia
noun 1. (surgery) anaesthesia of the lower half of the body produced by injecting an anaesthetic beneath the arachnoid membrane surrounding the spinal cord See also epidural (sense 2) 2. (pathol) loss of sensation in some part of the body as the result of injury of the spinal cord
- Spinal analgesia
spinal analgesia n. The deactivation of sensory nerves by injecting a local anesthetic into the subarachnoid space of the spine.