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(a) Explain the menstrual phase in a hum...

(a) Explain the menstrual phase in a human female. State the levels of ovarian and pituitary hormones during this phase.
(b) Why is follicular phase in the menstrual cycle also referred as proliferative phase ? Explain.
(c) Explain the events that occur in a graafian follicle at the time of ovulation and thereafter. ltbvrgt (d) Draw a graafian follicle and label antrum and secondary oocyte.

Answer

Step by step text solution for (a) Explain the menstrual phase in a human female. State the levels of ovarian and pituitary hormones during this phase. (b) Why is follicular phase in the menstrual cycle also referred as proliferative phase ? Explain. (c) Explain the events that occur in a graafian follicle at the time of ovulation and thereafter. ltbvrgt (d) Draw a graafian follicle and label antrum and secondary oocyte. by BIOLOGY experts to help you in doubts & scoring excellent marks in Class 12 exams.

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Explain why the first half of the menstrual cycle is called the proliferative phase as well as the follicular phase.

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Knowledge Check

  • During the follicular phase of a normal menstrual cycle ovarian changes occur which are due to pituitary secretions of

    A
    oxytocin
    B
    LH only
    C
    FSH and LH
    D
    vasopressin

  • During which phase of menstrual cycle, the primary follicles in the ovary grow to become a fully mature Graafian follicle ?

    A
    Menstrual phase
    B
    Follicular phase
    C
    Luteal phase
    D
    Secretory phase

    • Similar Questions

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    Explain the different phases of menstrual cycle and correlate the phases with the different levels, of ovarian hormones in a human female.

    Explain the following phases in the menstrual cycle of a human female : (i) Menstrual phase (ii) Follicular phase (iii) Luteal phase

    (a) Draw a labelled diagram of the human female reproductive system. (b) Enumerate the events in the ovary of a human female during (i) Follicular phase (ii) Luteal phase of menstrual cycle.

    Identify the phase and mention the changes that take place when Graafian follicle gets ruptured during the menstrual cycle.

    What role does pituitary gonadotropins play during follicular and ovulatory phases of menstrual cycle? Explain the shifts in steroidal secretions.

    What role does pituitary gonadotrophins play during follicular and ovulatory phases of menstrual cycle ? Explain the shifts in steroidal secetions .

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