1. (a.) Pertaining to the segment between the basibranchial and the ceratobranchial in a branchial arch.
2. (n.) A hypobranchial bone or cartilage.
| Hypobranchial 1. (a.) Pertaining to the segment between the basibranchial and the ceratobranchial in a branchial arch. 2. (n.) A hypobranchial bone or cartilage. | |