General Embryology Ana 212: Fertilization and Cleavage
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Questions and Answers

What is the main focus of the ovarian cycle?

  • Release of the mature egg
  • Transformation of primordial follicle to graafian follicle (correct)
  • Secretion of luteinizing hormone (LH)
  • Development of the endometrium
  • Which hormone controls the ovarian cycle?

  • Progesterone
  • Estrogen
  • Human Chorionic Gonadotropin (hCG)
  • Luteinizing hormone (LH) and Follicle Stimulating hormone (FSH) (correct)
  • During which phase does the transformation of primordial follicle to graafian follicle occur?

  • Ovulatory phase
  • Follicular phase (correct)
  • Menstrual phase
  • Luteal phase
  • What characterizes the events of follicular development?

    <p>Change of squamous epithelium surrounding the oocyte to cuboidal epithelium</p> Signup and view all the answers

    What hormone corresponds to the proliferative phase of the menstrual cycle?

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

    What are the main interrelationships between the ovarian and uterine cycles?

    <p>Synchronization in ovulation and menstruation</p> Signup and view all the answers

    What is the glycoprotein substance called that is secreted on the surface of the oocyte by the granulosa cells and oocyte?

    <p>Zona pellucida</p> Signup and view all the answers

    During the follicular phase, what substance is secreted by the granulosa cells and theca interna that initiates the proliferative phase of the menstrual cycle?

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

    What structure is formed when fluid-filled spaces coalesce between the granulosa cells during follicular development?

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

    Which structure in the ovary secretes progesterone during the luteal phase of the menstrual cycle?

    <p>Corpus luteum</p> Signup and view all the answers

    What process involves the release of the secondary oocyte from the ruptured graafian follicle?

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

    What happens to the corpus luteum if pregnancy does not occur?

    <p>It degenerates to become corpus albicans</p> Signup and view all the answers

    What hormone sustains the corpus luteum if pregnancy occurs?

    <p>Human Chorionic Gonadotropin (HcG)</p> Signup and view all the answers

    What is formed by the ovarian stromal connective tissue around the granulosa cell during follicular development?

    <p>Theca folliculi</p> Signup and view all the answers

    What structure drags the ovulated secondary oocyte into the fallopian tube?

    <p>Fimbriae of the uterine tube</p> Signup and view all the answers

    What is rearranged around the granulosa cell to form two distinct layers during follicular development?

    <p>Theca folliculi</p> Signup and view all the answers

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