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Reproductive System: Ovary and Oogenesis

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Reproductive System: Ovary and Oogenesis

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Questions and Answers

What is the primary function of the corpus luteum?

Synthesis and secretion of sex hormones

Meiosis of oocytes

Follicular development

Production and secretion of progesterone (correct)

What triggers meiosis in the human ovary?

LH surge and ovulation (correct)

Follicular fluid production

Primordial follicle development

Sperm entry

What is the term for the degeneration of oocytes in the human ovary?

Oogenesis

Atresia (correct)

Meiosis

Follicular development

What is the structure that surrounds the primary oocyte and is composed of granulosa cell layers?

Zona pellucida Signup and view all the answers

What is the stage of follicular development characterized by the formation of an antrum?

Antral follicle Signup and view all the answers

What is the term for the cells that surround the antral follicle?

Theca cells Signup and view all the answers

What is the main difference between the number of gametes produced in spermatogenesis and oogenesis?

Spermatogenesis produces a large number of gametes, while oogenesis produces a few. Signup and view all the answers

What is the main difference in the timing of meiosis in spermatogenesis and oogenesis?

Meiosis is initiated before birth in oogenesis, but at puberty in spermatogenesis. Signup and view all the answers

What is the main difference in the way stem cells are renewed in spermatogenesis and oogenesis?

Stem cells are renewed in spermatogenesis, but not in oogenesis. Signup and view all the answers

What is the main difference in the way mitosis is activated in spermatogenesis and oogenesis?

Mitosis is activated at birth in oogenesis, but at puberty in spermatogenesis. Signup and view all the answers

What is the hormonal control mechanism common to both spermatogenesis and oogenesis?

Hypothalamic-pituitary axis and GnRH. Signup and view all the answers

What is the main difference in the duration of gametogenesis in spermatogenesis and oogenesis?

Gametogenesis continues throughout life in spermatogenesis, but ends at menopause in oogenesis. Signup and view all the answers