State the role of Oxytocin in parturition. What triggers its release from the pituitary?
CBSE FOREIGN SET - 2 2016
Download our app for free and get startedPlay store
Oxytocin acts on uterine muscle, and cause stronger uterine contraction, leading expulsion of the foetus/baby out of uterus.
The signals from fully formed foetus and the placenta which induce mild uterine contraction/foetal ejection reflex triggers release of oxytocin.
art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

  • 1
    Name two hormones that can be found only in the blood of a pregnant woman. Mention the source organ/ tissue that secretes each of them.
    View Solution
  • 2
    What is the number of chromosomes in the following cells of a human male?
    Sertoli cells.
    View Solution
  • 3
    Where do sperms mature and become motile?
    View Solution
  • 4
    Study the figure given below and answer the questions that follow:
    Name the stage of human embryo the figure represents.
    View Solution
  • 5
    Why does meiosis and mitosis occur in germ cells?
    View Solution
  • 6
    Identify A, B, C and D with reference to gametogenesis in humans in the flow chart given below:
    View Solution
  • 7
    Mention the relationship between concentration of luteinising hormone and maintenance of endometrium in the human uterus.
    View Solution
  • 8
    Women experience two major events in their life time, one at menarche and the second at menopause. Mention the characteristics of both the events.
    View Solution
  • 9
    Why is parturition called a neuro-endocrine mechanism? Explain.
    View Solution
  • 10
    Write two major functions each of testis and ovary.
    View Solution