Definition of zooid

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Zooid (n.) One of the individual animals in a composite group, as of Anthozoa, Hydroidea, and Bryozoa; -- sometimes restricted to those individuals in which the mouth and digestive organs are not developed..

Lern More About Zooid

Deuterozooid :: Deuterozooid (n.) One of the secondary, and usually sexual, zooids produced by budding or fission from the primary zooids, in animals having alternate generations. In the tapeworms, the joints are deuterozooids..
Polyp :: Polyp (n.) One of the feeding or nutritive zooids of a hydroid or coral.
Ooecium :: Ooecium (n.) One of the special zooids, or cells, of Bryozoa, destined to receive and develop ova; an ovicell. See Bryozoa..
Polypite :: Polypite (n.) One of the feeding zooids, or polyps, of a coral, hydroid, or siphonophore; a hydranth. See Illust. of Campanularian..
Proliferate :: Proliferate (v. t.) To produce zooids by budding.
Spermatozooid :: Spermatozooid (n.) A spermatozoid.
Campanularian :: Campanularian (n.) A hydroid of the family ampanularidae, characterized by having the polyps or zooids inclosed in bell-shaped calicles or hydrothecae..
Person :: Person (n.) A shoot or bud of a plant; a polyp or zooid of the compound Hydrozoa Anthozoa, etc.; also, an individual, in the narrowest sense, among the higher animals..
Athecata :: Athecata (n. pl.) A division of Hydroidea in which the zooids are naked, or not inclosed in a capsule. See Tubularian..
Proliferous :: Proliferous (a.) Producing sexual zooids by budding; -- said of the blastostyle of a hydroid.
Zooidal :: Zooidal (a.) Of or pertaining to a zooid; as, a zooidal form..
Zoon :: Zoon (n.) An animal which is the sole product of a single egg; -- opposed to zooid.
Calicle :: Calicle (n.) One of the small cuplike cavities, often with elevated borders, covering the surface of most corals. Each is formed by a polyp. (b) One of the cuplike structures inclosing the zooids of certain hydroids. See Campanularian..
Zooecium :: Zooecium (n.) One of the cells or tubes which inclose the feeling zooids of Bryozoa. See Illust. of Sea Moss.
Zoanthus :: Zoanthus (n.) A genus of Actinaria, including numerous species, found mostly in tropical seas. The zooids or polyps resemble small, elongated actinias united together at their bases by fleshy stolons, and thus forming extensive groups. The tentacles are small and bright colored..
Zooid :: Zooid (n.) One of the individual animals in a composite group, as of Anthozoa, Hydroidea, and Bryozoa; -- sometimes restricted to those individuals in which the mouth and digestive organs are not developed..
Gonosome :: Gonosome (n.) The reproductive zooids of a hydroid colony, collectively..
Systematic :: System (n.) One of the stellate or irregular clusters of intimately united zooids which are imbedded in, or scattered over, the surface of the common tissue of many compound ascidians..
Ascidiarium :: Ascidiarium (n.) The structure which unites together the ascidiozooids in a compound ascidian.
Adelocodonic :: Adelocodonic (a.) Applied to sexual zooids of hydroids, that have a saclike form and do not become free; -- opposed to phanerocodonic..
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