<zoology> A group of annelids, so called because the species composing it have no special organs of respiration.

Origin: NL, from Gr. Priv. +, pl, the gills of fishes.

(01 Mar 1998)

Abrams, Albert, Abrams' heart reflex, abranchial < Prev | Next > abranchiate, abrasion, abrasive

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