| Name: | posterior cardinal vein |
|---|---|
| Synonyms: | axial vein, caudal cardinal veins, PCV, postcardinal vein |
| Definition: | Continuation of the caudal vein cranial to the anal pore. The cardinal vein splits into a pair of vessels in the cranial trunk, just caudal to the radix of the aorta. The posterior cardinals each empty into the common cardinal vein. |
| Ontology: | Anatomy Ontology [ZFA:0000477] |
| Name: | lumen |
|---|---|
| Synonyms: | |
| Definition: | Anatomical space within a tubular organ, duct, or vessel. |
| Ontology: | Anatomy Ontology [ZFA:0005930] |