| Name: | caudal vein | 
|---|---|
| Synonyms: | CV | 
| Definition: | Vein in the tail returning blood from the trunk and tail to the heart, leads directly into the posterior cardinal vein in the posterior trunk. | 
| Ontology: | Anatomy Ontology [ZFA:0000180] | 
| 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] |