| Name: | preural 1 vertebra |
|---|---|
| Synonyms: | penultimate vertebra, preural centrum 1, pu1, second last vertebra |
| Definition: | Vertebra anterior to the urostyle; sometimes termed the 'penultimate' vertebra. |
| Ontology: | Anatomy Ontology [ZFA:0000557] |
| Name: | neural spine |
|---|---|
| Synonyms: | neural spines |
| Definition: | Neural spines are extensions of neural arches dorsal to the neural canal in the median skeletogenous septum. Neural spines are typically unpaired median structures but can be paired in some instances, e.g., in the abdominal region of basal teleosts such as Leptolepis, Elops, Megalops, and Hiodon). |
| Ontology: | Anatomy Ontology [ZFA:0001336] |