| Name: | precaudal vertebra |
|---|---|
| Synonyms: | abdominal vertebra, precaudal vertebrae, trunk vertebra |
| Definition: | Post-cranial vertebrae lacking hemal spines (Weitzman, 1962), refers generally to the anterior vertebral region bounding the abdominal cavity. Alternate but not quite synonymous terms are abdominal or trunk vertebrae, which bear parapophyses and ribs. In many actinopterygians dorsal to the posterior abdominal cavity there are transitional vertebrae lacking ribs but also without hemal spines or sometimes even enclosed hemal arches. The primary definition would identify these vertebrae as precaudal. |
| Ontology: | Anatomy Ontology [ZFA:0000263] |
| Name: | adjacent to |
|---|---|
| Synonyms: | approaches, close to, near to, vicinity of |
| Definition: | A spatial quality inhering in a bearer by virtue of the bearer's being located near in space in relation to another entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002259] |
| Name: | rib |
|---|---|
| Synonyms: | dorsal rib, pleural rib |
| Definition: | Endochondral bone that is intersegmental and rod-shaped, forming in the peritoneal membrane and attached to the vertebral parapophyses. Ribs protect and support internal organs. |
| Ontology: | Anatomy Ontology [ZFA:0000538] |