- Also called branchiostegal ray. one of the long, curved bones just below the operculum, supporting the gill membranes.
- of or relating to the branchiostegals.
Origin of branchiostegal
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Examples from the Web for branchiostegal
These are the bones connected with respiration—the operculum, the branchiostegal rays, the branchial arches, and others.Form and Function
E. S. (Edward Stuart) Russell
The mouth and branchial cavity were very much distended, rounding out and distorting the whole hyoid and branchiostegal region.A Guide to the Study of Fishes, Volume 1 (of 2)
David Starr Jordan
The branchiostegal rays of the two sides are united in front by an unpaired membrane bone, the basi-branchiostegal (fig. 11, 36).
To the cerato-hyal are attached a series of seven strong curved cylindrical rods, the branchiostegal rays.
- zoology of or relating to the operculum covering the gill slits of fishbranchiostegal membrane; branchiostegal rays
from branchia + Greek stegos roof
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