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Summary Anatomy Item Literature (5747) Expression Attributions Wiki

Anatomy Term: oocyte
XAO ID: 0000256
Definition: "The developing female gamete, the differentiation of which is classified into six stages: I (pre-vitellogenic), II (early vitellogenic), III (mid-vitellogenic, formation of pigment), IV (polarization along animal-vegetal axis), V (late vitellogenic), and VI (post-vitellogenic, appearance of equatorial band)."
Stage Range: oocyte stage I to mature egg stage
Marker Genes:
Develops From:
Anatomy Item Stage Range
secondary oogonium NF stage 54 to death
Develops Into:
Anatomy Item Stage Range
egg adult frog stage to death
polar body oocyte stage I to oocyte stage VI
Parent(s): secondary oogonium


Parent(s): germ cell (is_a)


References: NCBO BioPortal , Ontology Lookup Service
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