vertebral nerve n.
A nerve that arises from the cervicothoracic ganglion, ascends along the vertebral artery to the level of the axis or atlas, and gives branches to the cervical nerves and meninges.
- Vertebral rib
vertebral rib n. See floating rib.
- Vertebral vein
vertebral vein n. Either of two veins that derive from tributaries that run through the foramina in the transverse processes of the first six cervical vertebrae and form a plexus around the vertebral artery and that empty as a single trunk into the brachiocephalic vein, designated right and left.
- Vertebra plana
vertebra plana vertebra pla·na (plā’nə) n. Spondylitis with reduction of the vertebral body to a thin disk.
noun 1. the subphylum comprising the vertebrate animals. Vertebrata Ver·te·bra·ta (vûr’tə-brā’tə, -brä’-) n. A primary division of the phylum Chordata that includes the fishes, amphibians, reptiles, birds, and mammals, all of which are characterized by a segmented spinal column and a distinct, well-differentiated head.