BRAIN n.
rd, and is developed from three embryonic vesicles, whose cavities are connected with the central canal of the cord; the cavities of the vesicles become the central cavities, or ventricles, and the walls thicken unequally and become the three segments, the fore-, mid-, and hind-brain.
CARDINAL a.
inal signs (Astron.) Aries, Lidra, Cancer, and Capricorn. -- Cardinal teeth (Zoöl.), the central teeth of bivalve shell. See Bivalve. -- Cardinal veins (Anat.), the veins in vertebrate embryos, which run each side of the vertebral column and returm the blood to the heart. They remain through life in some fishes. --…
CELT n.
One of an ancient race of people, who formerly inhabited a great part of Central and Western Europe, and whose descendants at the present day occupy Ireland, Wales, the Highlands of Scotland, and the northern shores of France. [Written also Kelt. The letter C was pronounced hard in Celtic languages.]…
CEREBRO-SPINAL a.
Of or pertaining to the central nervous system consisting of the brain and spinal cord. Cerebro-spinal fluid (Physiol.), a serous fluid secreted by the membranes covering the brain and spinal cord. -- Cerebro-spinal meningitis, Cerebro-spinal fever (Med.), a dangerous epidemic, and endemic, febrile disease, characteri…