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branchiostegal

[brang-kee-os-ti-guh l] /ˌbræŋ kiˈɒs tɪ gəl/ Ichthyology
noun
1.
Also called branchiostegal ray. one of the long, curved bones just below the operculum, supporting the gill membranes.
adjective
2.
of or relating to the branchiostegals.
Origin of branchiostegal
1740-1750
1740-50; branchio- + steg(o)- + -al1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for branchiostegal
Historical Examples
  • The branchiostegal rays of the two sides are united in front by an unpaired membrane bone, the basi-branchiostegal (fig. 11, 36).

    The Vertebrate Skeleton Sidney H. Reynolds
  • 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.

  • To the cerato-hyal are attached a series of seven strong curved cylindrical rods, the branchiostegal rays.

    The Vertebrate Skeleton Sidney H. Reynolds
British Dictionary definitions for branchiostegal

branchiostegal

/ˌbræŋkɪəˈstiːɡəl/
adjective
1.
(zoology) of or relating to the operculum covering the gill slits of fish: branchiostegal membrane, branchiostegal rays
Word Origin
from branchia + Greek stegos roof
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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