(B) Oxytocin is a hormone produced by the hypothalamus and stored and released by the posterior pituitary gland (neurohypophysis).During parturition (

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Inducing strong uterine contractions during parturition.

(B) Oxytocin is a hormone produced by the hypothalamus and stored and released by the posterior pituitary gland (neurohypophysis).During parturition (childbirth),oxytocin acts on the smooth muscles of the uterus and stimulates strong uterine contractions,which helps in the expulsion of the fetus.Therefore,option $B$ is the correct statement.

Class 12 Biology Human Reproduction Parturition and Lactation

Medium

In an adult human female,oxytocin is responsible for:

A
Stimulating the pituitary to secrete vasopressin.
B
Inducing strong uterine contractions during parturition.
C
Being secreted by the anterior pituitary.
D
Stimulating the growth of mammary glands.

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Human Reproduction

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Parturition and Lactation

Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of

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Which type of antibody is present in colostrum?

Easy

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$A$: Lactational amenorrhoea is due to high levels of prolactin.
$R$: Prolactin stimulates the release of gonadotropins.

Medium

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In a pregnant woman having prolonged labour pains,if childbirth has to be hastened,i.e.,to aid parturition,it is advisable to administer a hormone that can:

MediumAIIMS 1985

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$A$: Colostrum is a very efficient means of transferring immunity to a newborn.
$R$: $IgM$ from mother's milk protects the baby from the respiratory infection usually affecting in young age.

Medium

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In an adult human female,oxytocin is responsible for:

Similar Questions

Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of

Which type of antibody is present in colostrum?

$A$: Lactational amenorrhoea is due to high levels of prolactin.$R$: Prolactin stimulates the release of gonadotropins.

In a pregnant woman having prolonged labour pains,if childbirth has to be hastened,i.e.,to aid parturition,it is advisable to administer a hormone that can:

$A$: Colostrum is a very efficient means of transferring immunity to a newborn.$R$: $IgM$ from mother's milk protects the baby from the respiratory infection usually affecting in young age.

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$A$: Lactational amenorrhoea is due to high levels of prolactin.
$R$: Prolactin stimulates the release of gonadotropins.

$A$: Colostrum is a very efficient means of transferring immunity to a newborn.
$R$: $IgM$ from mother's milk protects the baby from the respiratory infection usually affecting in young age.