| Name: | ceratobranchial 5 bone |
|---|---|
| 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: | lacks parts or has fewer parts of type |
|---|---|
| Synonyms: | loss of |
| Definition: | The bearer of this quality has_part < n of the indicated entity type, where n is the normal amount for a comparable organism. Note that the bearer of the quality is the whole, not the part. Formally: If a bearer entity e has fewer parts of type X at time t, then the number of instances x of X at t such that x part_of e is < n, where n is either the normal number for comparable entities, or n is stated explicitly. This case includes the limit case, where the bearer lacks all parts of the specified type. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001999] |
| Name: | tooth 4V |
|---|---|
| Synonyms: | |
| Definition: | Ceratobranchial 5 tooth which is posterior to tooth 3V and anterior to tooth 5V in the ventral tooth row. |
| Ontology: | Anatomy Ontology [ZFA:0001143] |