OLS > Human Cell Atlas Ontology HCAO > UBERON:0009743
The closed space containing the yolk, formed by the fusion of the edges of the embryonic epiblast (hypoblast) and later surrounded by the visceral yolk sac (hypoblast and visceral yolk sac mesoderm). [ MP:0011201 ]
pheno_slim
uberon
UBERON:0009743