amphiblastula


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amphiblastula

(ˌæmfɪˈblæstjʊlə)
n
(Animals) the free-swimming larva of certain sponges, which consists of a hollow spherical mass of cells some of which have flagella
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Electron microscopy study of the sponge Oscarella lobularis and its amphiblastula larvae.
A variety of unusual embryos exist in sponges (e.g., parenchymella, amphiblastula; Fig.
An amphiblastula or coeloblastula is produced by calcareous sponges; a parenchymella is the larva of the majority of demosponges, but several other larval types are known; and a trichimella is exclusive to hexactinellid sponges.