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zooid
[ zoh-oid ]
noun
- any organic body or cell capable of spontaneous movement and of an existence more or less apart from or independent of the parent organism.
- any animal organism or individual capable of separate existence, and produced by fission, gemmation, or some method other than direct sexual reproduction.
- any one of the recognizably distinct individuals or elements of a compound or colonial animallike organism, whether or not detached or detachable.
adjective
- Also zo·oidal. pertaining to, resembling, or of the nature of an animal.
zooid
/ ˈzəʊɔɪd /
noun
- any independent animal body, such as an individual of a coelenterate colony
- a motile cell or body, such as a gamete, produced by an organism
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Derived Forms
- zoˈoidal, adjective
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Example Sentences
The asexual stock, after budding off one asexual zooid, elongates again and buds off a second zooid.
The anterior asexual zooid continues to produce fresh sexual zooids by fission.
In Autolytus there is, to begin with, a conversion of the posterior half of the body to form a sexual zooid.
Mr. Busk, however, does not know of any gradations now existing between a zooid and an avicularium.
The posterior part forms a rudimentary zooid, called by Huxley Cyathozooid, which eventually atrophies.
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