Defn: The structure which unites together the ascidiozooids in a compound ascidian.
ASCIDIFORM
As*cid"i*form, a. Etym: [Gr. -form.] (Zoöl.)
Defn: Shaped like an ascidian.
ASCIDIOIDEA
As*cid`i*oid"e*a, n. pl. Etym: [NL., fr. ascidium + -oid. See
Ascidium.] (Zoöl.)
Defn: 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.
ASCIDIOZOOID
As*cid`i*o*zo"oid, n. Etym: [Ascidium + zooid.] (Zoöl.)
Defn: One of the individual members of a compound ascidian. See
Ascidioidea.
ASCIDIUM
As*cid"i*um, n.; pl. Ascidia. Etym: [NL., fr. ascus. See Ascus.]
1. (Bot.)
Defn: A pitcher-shaped, or flask-shaped, organ or appendage of a plant, as the leaves of the pitcher plant, or the little bladderlike traps of the bladderwort (Utricularia).