| Name: | basioccipital |
|---|---|
| Synonyms: | |
| Definition: | Large median unpaired cartilage bone that contacts the exoccipital, epiotic and pterotic dorsally, and the parasphenoid anteriorly. Forms the posteroventral hind margin of the cranium, articulates with the centrum of the first vertebra. Bears a posteroventral pharyngeal process that is flattened ventrally and opposes the pharyngeal teeth of the fifth pair of ceratobranchials. |
| Ontology: | Anatomy Ontology [ZFA:0000472] |
| Name: | fused with |
|---|---|
| Synonyms: | coalesced, fused, fused to, joined with, merged with |
| Definition: | A structural quality inhering in a bearer by virtue of the bearer's being merged with another entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000642] |
| Name: | exoccipital |
|---|---|
| Synonyms: | exoccipitals |
| Definition: | Paired cartilage bone that bears a large foramen (lateral occipital foramen). Contacts the supraoccipital dorsally, the epiotic laterally and the basioccipital ventrally. Forms the posterior hind margin of the cranium and borders the lateral and posterior margins of the forum (foramen) magnum. |
| Ontology: | Anatomy Ontology [ZFA:0000661] |