| Name: | caudal fin |
|---|---|
| Synonyms: | tail, tail fin |
| Definition: | Fin that is the most posterior median fin. It is composed of a complex of three modified centra and modified neural and hemal arches and spines. |
| Ontology: | Anatomy Ontology [ZFA:0001058] |
| Name: | transcriptional attenuation |
|---|---|
| Synonyms: | |
| Definition: | A negative regulation of gene expression mechanism by which bacteria and archae can direct RNA polymerase to prematurely terminate transcription in response to a specific metabolic signal. |
| Ontology: | GO: Biological Process [GO:0031555] QuickGO AmiGO |