perisarc(redirected from perisarcous)
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perisarcthe horny covering of hydrozoan coelenterates of the orders Gymnoblastea, Calyptoblastea and Hydrocorallinae. In the latter, the perisarc is massive and impregnated with calcium.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005