Entry from British & World English dictionary
Each of the paired ventral cartilaginous sections of the branchial arch in fishes.
- In Amia, as in many actinopterygian fishes, the ceratobranchials do much of the mundane work and heavy lifting.
- The inner surface of the right operclc can be observed, and also some branchial arch elements such as the ceratobranchial and hypobranchial.
- Thus, each of the branchial arches, the arches which actually function as respiratory arches in fishes, has an epibranchial and a ceratobranchial.
Mid 19th century: from Greek keras, kerat- 'horn' + branchial (see branchia).
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