"Sea Squirt" is a word in ENGLISH

One of the Ascidioidea, or in a more general sense, one of the Tunicata. Also as an adj.

The structure which unites together the ascidiozooids in a compound ascidian.

Shaped like an ascidian.

One of the individual members of a compound ascidian. See Ascidioidea.

A genus of simple ascidians, which formerly included most of the known species. It is sometimes used as a name …

A cavity in ascidians into which the intestine and generative ducts open, and which also receives the water from the …

A fold of the endoderm, which projects into the blood cavity of ascidians. See Tunicata.

Any compound ascidian of the genus Pyrosoma. The pyrosomes form large hollow cylinders, sometimes two or three feet long, which …

A beautiful American ascidian (Cynthia, / Halocynthia, pyriformis) having the size, form, velvety surface, and color of a ripe peach.

A pedunculated ascidian of the genus Boltonia.

An American compound ascidian (Amoraecium stellatum) which forms large whitish masses resembling salt pork.

Consisting of a single individual or zooid; as, a simple ascidian; -- opposed to compound.

Forming compound groups or colonies by budding from basal processes or stolons; as, the social ascidians.

One of the apertures of the gill of an ascidian, and of Amphioxus.

An extension of the integument of the body, or of the body wall, from which buds are developed, giving rise …

One of the stellate or irregular clusters of intimately united zooids which are imbedded in, or scattered over, the surface …

A division of Tunicata including the common attached ascidians, both simple and compound. Called also Tethioidea.

The central axis or cord in the tail of larval ascidians and of certain adult tunicates.