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Uberon Ontology

parietal yolk sac

Term ID
UBERON:0008853
Synonyms
  • primary yolk sac
Definition
tissue that consists of two cellular layers (parietal endoderm and trophoblast) separated by a relatively thick nonvascular basement membrane (Reichert's membrane), and acts as a protective layer to supports and facilitates transport of nutrients between the uterine tissue and the yolk sac cavity. (2)
References
  • EHDAA2:0003237
Ontology
Uberon Ontology
Relationships
has parts
is a type of
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