URINARY SYSTEM AND MALE FEMALE REPRODUCTIVE SYSTEMS
FEMALE REPRODUCTIVE TRACT
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Question
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Arrested in Prophase I of Meiosis for 10-14 years
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Ovum
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Primary Oocyte
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Secondary Oocyte
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Zygote
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Follicle Cells
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Explanation:
Detailed explanation-1: -Abstract. Mammalian oocytes are arrested at prophase I until puberty when luteinizing hormone (LH) induces resumption of meiosis of follicle-enclosed oocytes. Resumption of meiosis is tightly coupled with regulating cyclin-dependent kinase 1 (CDK1) activity.
Detailed explanation-2: -All three phases of oogenesis occur within the ovary. As you mentioned in your question, the primary oocyte goes into a dormant, or resting, phase during the first round of meiosis in prophase I. This phase is termed dictyate. Egg cells may remain in the dictyate phase for around fifty years.
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