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ECB-STAGE-7

Name: fully grown oocyte with no nucleus stage

ECAO ID: 0000080

Definition: "A developing female gamete in which the germinal vesicle has broken down. The germinal vesicle is no longer visible. However, the female gamete is still not mature. It is undergoing meiotic maturation, extruding successively a first and a second polar body."


Preceded By: fully grown oocyte with off-centered germinal vesicle stage Succeeded By: mature oocyte stage