scleroblasts

scleroblasts
n. pl. [Gr. skleros, hard; blastos, bud]
(PORIFERA)
Special amoebocytes in sponges responsible for secreting the skeleton; consisting either of spicules, fibers of spongin or both.

Online Dictionary of Invertebrate Zoology. . 2005.

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Look at other dictionaries:

  • dermosclerites — n. pl. [Gr. derma, skin; skleros, hard] (CNIDARIA: Anthozoa) Calcareous spicules (sclerites) of alcyonarian coral polyps, produced by scleroblasts embedded in the mesoglea or stolons (or both) or in the coenenchyma connecting the polyps …   Dictionary of invertebrate zoology

  • sponge — spongeless, adj. spongelike, adj. spongingly, adv. /spunj/, n., v., sponged, sponging. n. 1. any aquatic, chiefly marine animal of the phylum Porifera, having a porous structure and usually a horny, siliceous or calcareous internal skeleton or… …   Universalium

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