Term: oocyte yolk
Name: oocyte
Synonyms: egg
Definition: A female germ cell that has entered meiosis.
Ontology: Anatomy Ontology [ZFA:0001109]

Name: yolk
Synonyms: yolk cell
Definition: Giant syncytial uncleaved cell containing nutrient store for embryonic development in the form of semicrystalline phospholipoprotein and contained within yolk granules.
Ontology: Anatomy Ontology [ZFA:0000084]