NEET2010ZoologyHuman ReproductionActual
Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of
Options
- Aoestrogen from placenta
- Boxytocin from maternal pituitary
- Coxytocin from foetal pituitary
- Drelaxin from placenta
Correct answer
B. oxytocin from maternal pituitary
Step-by-step solution
The process of giving birth to a baby is called parturition. Parturition is induced by a complex neuroendocrine mechanism. The signals for parturition originate from the fully-developed foetus and the placenta which require the release of oxytocin from posterior lobe of maternal pituitary.