Term Name:	extraembryonic coelomic cavity
Synonyms:	chorion cavity, chorionic cavity, exocoelomic cavity, extra-embryonic coelomic cavity, extraembryonic coelomic cavity
Definition:	the fluid-filled spaces formed within the mass of extraembryonic mesoderm that later fuse to become a large extraembryonic cavity
Ontology:	Uberon Ontology [UBERON:0003888]