peritricha
Pe*rit"ri*cha, n. pl. Etym: [NL., fr. Gr. (Zoöl.) Defn: A division of ciliated Infusoria having a circle of cilia around the oral disk and sometimes another around the body. It includes the vorticellas. See Vorticella.
Pe*rit"ri*cha, n. pl. Etym: [NL., fr. Gr. (Zoöl.) Defn: A division of ciliated Infusoria having a circle of cilia around the oral disk and sometimes another around the body. It includes the vorticellas. See Vorticella.