Term: posterior cardinal vein nucleus
Note: This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name.
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: nucleus
Synonyms: cell nucleus, horsetail nucleus
Definition: A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
Ontology: GO: Cellular Component [GO:0005634]   QuickGO   AmiGO