Definitions
from The Century Dictionary.
- Relating to or of the nature of a branchiostege.
- noun One of the bony rays under the head of a fish below the opercular bones and behind the lower jaw. They are connected by a membrane called the branchiostegal or gill-membrane.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Anat.) Pertaining to the membrane covering the gills of fishes.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective zoology Of or pertaining to the
operculum that covers thegill slits offish - noun A branchiostegal
ray .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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He could reject, with a mere reference to the facts of development, Geoffroy's comparison of the hyoid and the branchiostegal rays in fish with sternum and ribs.
Form and Function A Contribution to the History of Animal Morphology
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Geoffroy's next step is to point out that the only possible homologues of sternal ribs are the branchiostegal rays, which arise from the large bones of the hyoid arch.
Form and Function A Contribution to the History of Animal Morphology
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From the hinder edge of the hyoid arch grows out the membranous operculum, in which develop later the opercular bones and branchiostegal rays.
Form and Function A Contribution to the History of Animal Morphology
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These are the bones connected with respiration -- the operculum, the branchiostegal rays, the branchial arches, and others.
Form and Function A Contribution to the History of Animal Morphology
Comments
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