In females, vigorous contraction of uter...

In females, vigorous contraction of uterus at the time of child birth and milk ejection from the mammary gland is due to

FSH

Oxytocin

Progesterone

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Oxytocin responsible for vigorous contraction of uterus at the time of child birth is synthesize by:-

Oxytocin, a peptide hormone from hypothalamus, has all the following effects except A. Stimulates vigorous contractions of the uterus at the time of child birth B. Its hypersecretion causes Cushing's syndrome C. Stimulates milk ejection from mammary glands D. Its synthetic form is often given to induce labor

Milk in mammary glands is stored in

Increase in concentration of which hormone determines the time of child birth?

The process of secretion of milk from the mammary glands of human female is

Colostrum , the first milk secretion of mammary gland is rich in immunoglobulin

Assertion: Vigorous contraction of the uterus at the end of pregnancy causes expulsion. Reason: The stimulatory reflex between the uterine contraction and oxytocin secretion results in weakening contractions.

The birth or the milk ejecting hormone ; oxytocin

A: Oxytocin stimulates contraction-of uterine muscles during birth and initiates ejection of milk. R : It is synthesjzed in the posterior lobe of pituitary.

Read the following sentences and select the correct option with all true statements. i. During parturition , oxytocin induces intense contractions in the uterus. ii. After parturition oxytocin stimulates milk ejection. iii . The labour pain of during child-birth is due to oxytocin . iv. oxytocin is secreted from placenta and ovary .

AAKASH SERIES-CHEMICAL COORDINATION AND INTERGRATION-Exercise-I(Pituitary gland)

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