Term Name: primary vitreous
Synonyms: primary vitreous, primary vitreous humour
Definition: embryonic fibrovascular mesodermal tissue located between the optic cup and lens vesicle that normally regresses during the development of the vitreous body[MP]
Ontology: Uberon Ontology [UBERON:0005746]

Relationships
develops from: retinal neural layer
is part of: embryonic head
is a type of: acellular anatomical structure ectoderm-derived structure structure with developmental contribution from neural crest