cyst (sist)

[ The larval form of tape-worm which is commonly developed in cysts of the liver of the mouse and the rat. Owen , Anat., v. 3. In zoöl., a hydatid; a cystic worm, or encysted state of a tapeworm.-4. In cryptogamic bot., a cell or cavity, usually inclosing other cells or reproductive bodies, as an envelop inclosing a group of diatoms or desmids, or a cell containing an antherozoid; in certain algæ, a spore case. See coniocyst. Sometimes, improperly, cist . Dermoid cyst. See dermoid . - Ovarian cyst. See ova rian. cyst adenoma (sis"ta-de-nōʻmä), n.; pl. cystade nomata (-ma-tä). [NL., cyst atrophia (sis-ta-trō'fi-ä), n. [NL.,