Definition of vibraculum in English:
noun (plural vibracula vʌɪˈbrakjʊlə)Zoology
(In some bryozoans) any of a number of modified zooids that bear a long whip-like seta, serving to prevent other organisms from settling on the colony. Compare with avicularium.
- In Ectoprocta there are similar specialized zooids, avacularia, vibracula, and gonozooids.
- They may be polymorphic with ovicells, vibracula, kenozooids, and/or avicularia in addition to autozooids.
- Other zooids include the avicularia, where the operculum has been modified into a jaw, and the vibracula where the operculum has been modified into a bristle.
Definition of vibraculum in:
- US English dictionary
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