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Select the incorrect statement w.r.t par...

Select the incorrect statement w.r.t parturation.

A

Fully developed foetus and placenta induce mild uterine contractions

B

It is a complex neuroendocrine mechanism

C

Foetal ejection feflex triggers release of oxytocin from foetal pituitary

D

The signal for parturition is called foetal ejection reflex

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question regarding the incorrect statement with respect to parturition, we will analyze each statement provided in the context of the biological process of parturition. ### Step-by-Step Solution: 1. **Understanding Parturition**: - Parturition is the process of giving birth, which occurs after an average gestation period of about 9 months in humans. 2. **Identifying the Mechanism**: - Parturition is a neuroendocrine mechanism that involves the interaction between the fetus and the placenta. 3. **Analyzing the Statements**: - **Statement A**: "Fully developed fetus and placenta induce mild uterine contraction." - This statement is correct. The fully developed fetus and placenta do indeed induce mild contractions. - **Statement B**: "It is a complex neuroendocrine mechanism." - This statement is also correct. Parturition involves complex interactions between hormones and neural signals. - **Statement C**: "Fetal ejection reflex triggers release of oxytocin from fetal pituitary." - This statement is incorrect. The release of oxytocin occurs from the maternal pituitary gland, not the fetal pituitary. - **Statement D**: "The signal for parturition is called fetal ejection reflex." - This statement is correct. The fetal ejection reflex is indeed the signal that triggers the process of parturition. 4. **Conclusion**: - After analyzing all the statements, we find that **Statement C** is the incorrect statement regarding parturition. ### Final Answer: The incorrect statement with respect to parturition is **Statement C**: "Fetal ejection reflex triggers release of oxytocin from fetal pituitary."
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