Term: ovary oocyte stage IV
Name: ovary
Synonyms: ovaries
Definition: Female reproductive organ. The ovary is a bilobed cavitated organ located ventral to the swim bladder.
Ontology: Anatomy Ontology [ZFA:0000403]

Name: oocyte stage IV
Synonyms: mature oocytes, oocytes stage IV, postvitellogenic oocyte, Stage 4 oocyte
Definition: Oocyte part of stage IV ovarian follicle. Stage IV oocytes are large and filled with noncrystalline yolky bodies.
Ontology: Anatomy Ontology [ZFA:0001568]