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The last part of oviduct is called _________

(a) isthmus

(b) ampulla

(c) ostium

(d) thalamus

I got this question in exam.

My question is taken from The Female Reproductive System in portion Human Reproduction of Biology – Class 12

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Right choice is (a) isthmus

The best I can explain: The infundibulum leads to a long, wider, thin walled part of the oviduct called ampulla. The last part of the oviduct, isthmus has a narrow lumen, short and thick walled and it joins the uterus.

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