Which one of following is correct matching of events occurring during menstrual cycle?

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2.Human Reproduction

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Which one of the following is the correct matching of the events occurring during menstrual cycle?

Proliferative phase : Rapid regeneration of myometrium and maturation of Graafian follicle

Secretory phase : Development of increased secretion corpus luteum and of progesterone

Menstruation : Breakdown of myometrium and ovum not fertilised

Ovulation : $LH$ and $FSH$ attain peak level and sharp fall in the secretion of progesterone

(AIPMT-2009)

Solution

(b) : Secretory phase is also called as luteal phase. The luteinising hormone or $LH$ is secreted by the anterior lobe of pituitary gland. $LH$ causes ovulation. $LH$ stimulates cells of ovarian follicles to develop corpus luteum. Corpus luteum secretes large amount of progesterone.

Standard 12

Biology

Arrange the events of menstrual cycle as they occur

$I.$ Secretion of $FSH$

$II.$ Growth of corpus luteum

$III.$ Growth of follicle and oogenesis

$IV.$Ovulation

$V.$ Sudden increase in level of $LH$

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Proliferation of endometrium of uterus in controlled by

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$A$ : Corpus luteum begins to atrophy after a short life of $10 \;to \;14$ days, if fertilisation does not occur.
$R$ : Luteolysis may be due to withdrawal of $LH$ support

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Correct hormonal sequence in the increase of menstruation is

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Ovulation can be detected by

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Which one of the following is the correct matching of the events occurring during menstrual cycle?

Solution

Similar Questions

Arrange the events of menstrual cycle as they occur $I.$ Secretion of $FSH$ $II.$ Growth of corpus luteum $III.$ Growth of follicle and oogenesis $IV.$Ovulation $V.$ Sudden increase in level of $LH$

Proliferation of endometrium of uterus in controlled by

$A$ : Corpus luteum begins to atrophy after a short life of $10 \;to \;14$ days, if fertilisation does not occur. $R$ : Luteolysis may be due to withdrawal of $LH$ support

Correct hormonal sequence in the increase of menstruation is

Ovulation can be detected by

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Arrange the events of menstrual cycle as they occur

$I.$ Secretion of $FSH$

$II.$ Growth of corpus luteum

$III.$ Growth of follicle and oogenesis

$IV.$Ovulation

$V.$ Sudden increase in level of $LH$

$A$ : Corpus luteum begins to atrophy after a short life of $10 \;to \;14$ days, if fertilisation does not occur.
$R$ : Luteolysis may be due to withdrawal of $LH$ support