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Signals for parturition originate from...

Signals for parturition originate from

A

Oxytocin released from maternal pituitary

B

placenta only

C

Fully developed foetus only

D

Both placenta as well as fully developed foetus

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The correct Answer is:
D
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Explore conceptually related problems

A : Corticotrophin releasing hormone is a a part of the clock that establishes the timing of birth . R : The signals for parturition originate from the fully developed foetus and placenta which induce mild uterine contractions called foetal ejection reflex .

Read following statements (a-d) and choose the option with only correct statements. a. Parturition occurs due to a complex neuroendocrine mechanism at the end of gestation period. b. The signals for parturition originate from fully developed foetus and placenta which induces mild uterine contraction. c. Foetal ejection reflex triggers release of oxytocin from foetal pituitary. d. Oxytocin reduces uterine contraction under positive feedback control and causes expulsion of placenta followed by foetus known as parturition. a and b b and c c and d a and d

From a to d which of the following statements are correct ? (a) Fertilisation can occur only if the ovum and sperm are transported simultaneously to the ampullary isthmic junction (b) First movement of foetus and appearance of hair on head are usually observed during the fifth month of pregnancy . (c) On 14^(th) day of Menstrual cycle , the level of progesterone is maximum . (d) The signals for parturition originate from fully developed foetus and placenta

The signals for parturition orginate from:

Read the following statement (a) Inhibitory proteins are released by epididymis which conserve energyof sperms. (b) Epididymis provides more ATP energy to sperms. (c ) The signals of parturition originate from placenta and CNS. (d) Lactational amenorrhea is used as contraception. How many of the above statement are correct ?

State from where do the signals for parturition originate in human females.

Read the following statements carefully and select the correct statements. (i) hPL plays a major role in parturition. (ii) Fetus shows movements first time in the 7^(th) months of pregenancy. (iii) Signal for parturition comes from fully developed fetus and placenta. (iv) Embryo's hearth is formed by the 3^(rd) month of pregency.

During parturition

Parturition occurs

TRUEMAN BIOLOGY-HUMAN REPRODUCTION-Multiple Choice Questions
  1. What is correct to say about the hormone action in humans ?

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  2. In a normal pregnant woman, the amount of total gonadotropin activity ...

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  3. Signals for parturition originate from

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  4. The leydig cells as found in the human body are the secretory source ...

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  5. Which one of the following statements is not true with respect to viab...

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  6. Signals from the fully developed foetus and placenta ultimately lead t...

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  7. In human female the blastocyst:

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  8. What happens during fertilization in humans after many sperms reach cl...

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  9. About which day in a normal human menstrual cycle does rapid secretion...

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  10. The secretory phase in the human menstrual cycle is also called:

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  11. Identify the human development stage shown below as well as the relate...

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  12. Bartholin's glands are situated:

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  13. Placenta in human beings is formed by :

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  14. Which gland secretes alkaline mucus in urethra to neutralise the acidi...

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  15. A temporary endocrine gland in humans is

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  16. Braxton Hicks contractione occur during

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  17. Correct sequence of human embryonic development is

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  18. Onset of menstrual cycle in female anthrapoid primates is

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  19. Thick yellow,high protein fluid produced by mammary glands of a woman ...

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  20. Which hormones is produced in women during pregnancy?

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