Definitions
from The Century Dictionary.
- noun In ichthyology, one of the four bones of which a teleost fish's gill-cover usually consists.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Anat.) The postero-inferior opercular bone, in fishes.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun anatomy The
posteroinferior opercular bone infishes .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
inter- + operculum
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Examples
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The auditory chamber of higher Vertebrates is, therefore, the homologue of the branchial chamber in fish; the opercular bones in fish and the ossicles of the ear in other Vertebrates stand in close relation to this chamber; therefore the opercular bones are the homologues of the ossicles of the ear, the interoperculum corresponding to the malleus, the suboperculum to the lenticular, the minute lower part of the suboperculum to the incus, the operculum to the stapes, and the pre-operculum to the tympanic ring.
Form and Function A Contribution to the History of Animal Morphology
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