Oogenesis and Female Reproductive Cycle
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Questions and Answers

What is the primary function of corpus luteum?

  • Regulating the LH Surge
  • Releasing the oocyte during ovulation
  • Forming the Graafian follicle
  • Secreting estrogen and progesterone (correct)
  • What triggers the completion of Meiosis II?

  • Increased estrogen secretion
  • The entry of sperm (correct)
  • Formation of corpus luteum
  • LH Surge
  • What happens to the corpus luteum in a non-pregnant cycle?

  • It triggers the LH Surge
  • It continues to secrete estrogen and progesterone
  • It becomes the Graafian follicle
  • It degenerates after 10 days (correct)
  • What is the primary function of estrogen during the follicular phase?

    <p>Causing the proliferative phase of the uterine cycle</p> Signup and view all the answers

    What is the primary factor that stimulates the development of follicles at puberty?

    <p>FSH</p> Signup and view all the answers

    What is the duration of the luteal phase in the ovarian cycle?

    <p>15-28 days</p> Signup and view all the answers

    What hormone is secreted by the corpus luteum in addition to progesterone?

    <p>Estrogen</p> Signup and view all the answers

    During which phase of the uterine cycle does the functional zone of the uterine endometrium become necrotic and is sloughed as menses?

    <p>Menstrual phase</p> Signup and view all the answers

    What is the primary function of the basal zone of the uterine endometrium?

    <p>To regenerate the functional zone</p> Signup and view all the answers

    What is responsible for the increase in thickness of the endometrium during the secretory phase?

    <p>Progesterone</p> Signup and view all the answers

    During which days of the uterine cycle does the functional zone of the uterine endometrium regenerate from the basal zone?

    <p>Days 5-14</p> Signup and view all the answers

    What is the primary source of estrogen in the female circulation?

    <p>The ovaries</p> Signup and view all the answers

    What is the primary function of the epididymis in the male reproductive system?

    <p>Storage, protection, and maturation of sperm cells</p> Signup and view all the answers

    Which hormone stimulates the secretion of testosterone in Leydig cells?

    <p>Luteinizing hormone (LH)</p> Signup and view all the answers

    What is the function of the bulbourethral gland (Cowper's gland) in the male reproductive system?

    <p>Secretion of mucus that acts as a lubricant</p> Signup and view all the answers

    What is the role of the hypothalamic-pituitary-gonadal axis in males?

    <p>Control of the secretion of male hormones</p> Signup and view all the answers

    What is the primary function of the prostate gland in the male reproductive system?

    <p>Secretion of a milky fluid containing citric acid and fibrinolysin</p> Signup and view all the answers

    What is the primary function of the scrotum in the male reproductive system?

    <p>Covers and protects the testes and holds them outside the body</p> Signup and view all the answers

    What stimulates the maturation of sperms by Sertoli cells?

    <p>FSH</p> Signup and view all the answers

    At what stage do sperms acquire motility?

    <p>In the epididymis</p> Signup and view all the answers

    What is the main function of the blood-testis barrier?

    <p>To prevent the entry of harmful substances from blood into the testes</p> Signup and view all the answers

    Which vitamin is essential for normal spermatogenesis?

    <p>Vitamin A</p> Signup and view all the answers

    What is the optimal temperature for spermatogenesis to occur?

    <p>32-34°C</p> Signup and view all the answers

    What is the result of prolonged exposure to radiation, O2 lack, bacterial and chemical toxins on spermatogenesis?

    <p>Depression of spermatogenesis</p> Signup and view all the answers

    What is the function of FSH in relation to Leydig cells?

    <p>To increase the response of Leydig cells to LH</p> Signup and view all the answers

    What is the role of testosterone in spermatogenesis?

    <p>To complete meiosis and spermiogenesis</p> Signup and view all the answers

    Which of the following is a secondary sex characteristic influenced by testosterone?

    <p>Larynx development</p> Signup and view all the answers

    What is the effect of testosterone on behavior?

    <p>It enhances aggressive behavior</p> Signup and view all the answers

    What is the function of Sertoli cells in relation to sperm?

    <p>To prevent autoimmune destruction of sperm</p> Signup and view all the answers

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