zoo stearic

[Pref. zoo-, and Eng. stearic.] Containing fat and derived from animal sub stances. IMG:content-1140.png:[blocks in formation] nos a copse, a thicket.] Zool.: A genus of Peritrichous Infusoria, from salt and fresh water. Animalcules structurally identical with those of Vorticella (q. v.), ovate, pyriform, or globular, often di imilar in shape, and of two sizes, stationed at the extremities of a branching, highly contractile pedicle, the internal muscle of which is continuous throughout. There are several species, divided into two groups according as the zoõids of the same colony resemble or differ from each other. zō-ō-the-ca, subst . [Pref. zoo- , and Gr. thēkē =a case.] Anat. & Physiol.: A cell containing a spermatozō-ô-the-çi-um ( pl . zō-ô-the-çi-a), s. [Zoo zoõid. THECA.] Biol.: Any compound tubular structure excreted and inhabited by Infusoria like Rhipidodendron. zō-o-thō-mē, s. [Pref. zoo- . and Gr. thōmos =a heap.] Zool.: A Zoothecium (q. v.).