|
(), n. pl.[NL., fr. ascidium + -oid. See Ascidium.] (Zol.) A group of Tunicata, often shaped like a two-necked bottle. The group includes, social, and compound species. The gill is a netlike structure within the oral aperture. The integument is usually leathery in texture. See Illustration in Appendix. スポンサード リンク
|