| Name: | ceratobranchial 5 bone |
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| Synonyms: | |
| Definition: | Ceratobranchial bone that is the most posterior, bilaterally paired ventral pharyngeal arch bone. Ceratobranchial 5 ossifies before ceratobranchials 1-4. In the adult, ceratobranchial 5 is heavily ossified and crescent-shaped with two to three rows of posteromedially directed teeth. The anteroventral tips of ceratobranchials 5 meet medially and are ligamentously joined. |
| Ontology: | Anatomy Ontology [ZFA:0001239] |
| Name: | perichondral ossification |
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| Synonyms: | |
| Definition: | Intramembranous ossification from the surface of a cartilage element as the perichondrium becomes a periosteum, without replacement of cartilage. |
| Ontology: | GO: Biological Process [GO:0036073] QuickGO AmiGO |