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ECB-STAGE-2

Name: oogenesis period

ECAO ID: 0000030

Definition: "Period during which female gametes (or oocytes, or eggs) develop and mature from primordial female germ cells to generate cells competent to further development upon fertilization by a mature spermatozoid."


Preceded By: gametogenesis Succeeded By: spermatogenesis period

Component Stages:  previtellogenic primary oocyte stage, not fully grown oocyte stage, fully grown oocyte with centered germinal vesicle stage, fully grown oocyte with off-centered germinal vesicle stage, fully grown oocyte with no nucleus stage, mature oocyte stage