Term: posterior cardinal vein hematopoietic stem cell
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: hematopoietic stem cell
Synonyms: colony forming unit hematopoietic, hematopoietic progenitor cell, hemopoietic progenitor cell, hemopoietic stem cell, HSC
Definition: A stem cell from which all cells of the lymphoid and myeloid lineages develop, including blood cells and cells of the immune system.
Ontology: Anatomy Ontology [ZFA:0009014]