cæcit is (sesitis)

[NL., tis. cæcity (sē'si-ti), n. [L. cæcit a(t-)s, blindne , animals. See cut intestine. 2. In zoöl . , any cæcal diverticulum or in test i nal appendage ending in a cul-de-sac. See cuts under and ink - bag. In mammals there is but one cæcum, sometimes of enormous extent, as in the ruminants and herbivorous species generally. It is given off from the colon at the point where the small intestine enters it. In birds there are usually two cæca; sometimes one cæcum, attaining great size in some cases, as of the herbivorous geese; sometimes none. There being no obvious distinction between the ileum and the colon in birds, the site of the cæca or cæcum is taken as the beginning of the colon. In fishes cæca are often numerous and large, A cardiac cæcum forms a prolongation of the cardiac end of the stomach in the blood-sucking bats of the genus Desmodus. 3. [ cap.] [NL.) The typical genus of the family Cæcid a. - Cardiac cæcum. See cardiac. cælometer (sē-lom'e-ter), n. [L. cælum, cœlum, the sky, heaven, + metrum, a measure.] An instrument used to illustrate the elementary principles of astronomy. Also spelled cæ lometer. cænation, n. See cenation .