Search Ontology:
Uberon Ontology
visceral yolk sac
- Term ID
- UBERON:0008852
- Synonyms
-
- secondary yolk sac
- umbilical vesicle
- vitelline sac
- yolk sac
- Definition
- extraembryonic tissue membrane, formed from the visceral endoderm and the extraembryonic mesoderm, which is located ventral to the embryonic disc and is connected to the presumptive midgut of the embryo; the yolk that it contains is the site of embryonic hematopoiesis and vitelline circulation is involved in early embryonic circulation; it is the origin of the primordial germ cells
- References
- Ontology
- Uberon Ontology
- has parts
-
- is a type of
-