Chemical Coordination And Regulation Ques 73
73. In human adult females, oxytocin is involved in uterine contractions during labor and milk ejection during breastfeeding.
(a) is secreted by anterior pituitary
(b) stimulates growth of mammary glands
(c) stimulates pituitary to secrete vasopressin
(d) causes strong uterine contractions during parturition
Show Answer
Answer : d
Hints & Solutions
(d) Oxytocin also known as pitocin. It is an important hormone which is released in neurohypophysis of pituitary. It stimulates the contraction of smooth muscles. It stimulates labour pain and also increases labour pain. It is a hormone for quick birth. Its more secretion results in parturition.