spiral valve



spiral valve defined in 1951 year

spiral valve - spiral valve;
spiral valve - Spiral fold of mucous membrane projecting into intestine of certain fish, e.g. elasmobranchs, ganoids, and dipnoi, probably increasing absorptive surface.

near spiral valve in Knolik


spiral thickeninghome
letter "S"
start from "SP"
spirillum

definition of word "spiral valve" was readed 780 times

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