Which of the following layers is responsible | vedclass

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(B) Parturition is the process of giving birth to a child. It is induced by a complex neuroendocrine mechanism. The signals for parturition originate

Vedclass · Accepted Answer

Myometrium

Vedclass · Answer

(B) Parturition is the process of giving birth to a child. It is induced by a complex neuroendocrine mechanism. The signals for parturition originate from the fully developed fetus and the placenta,which induce mild uterine contractions called the fetal ejection reflex. This reflex triggers the release of oxytocin from the maternal pituitary gland. Oxytocin acts on the uterine muscle,specifically the $Myometrium$,causing stronger uterine contractions,which in turn stimulate further secretion of oxytocin. The stimulatory reflex between the uterine contraction and oxytocin secretion continues,resulting in stronger and stronger contractions,leading to the expulsion of the baby out of the uterus through the birth canal.

Which of the following layers is responsible for the process of parturition?

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$A$: Oxytocin acts on the uterine muscles and causes stronger uterine contractions,which in turn stimulates further secretion of oxytocin.
$R$: Oxytocin is released from the maternal pituitary.

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