Class 12 · Human Reproduction

Oviduct Anatomy: Ampulla and Isthmus — NEET Biology

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📖 NCERT Source

The last part of the oviduct, isthmus has a narrow lumen and it joins the uterus.

NCERT Biology · Class 12 · Chapter 2 · Paragraph 11
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Match the columns Column I A. Infundibulum B. Fimbriae C. Ampulla D. Isthmus E. Uterus Column II 1. Finger-like projections collecting ovum 2. Funnel-shaped part near ovary 3. Wider region of tube 4. Narrow lumen joining uterus 5. Pear-shaped organ supported by ligaments

📖 Solution & NCERT Explanation
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Correct answer: C A–2, B–1, C–3, D–4, E–5

Infundibulum = funnel; fimbriae = collect ovum; ampulla = wider; isthmus = narrow lumen; uterus = pear-shaped organ.

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What does NCERT say about last part oviduct isthmus?
The last part of the oviduct, isthmus has a narrow lumen and it joins the uterus.
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Which chapter is this from?
Human Reproduction, Class 12 NCERT Biology.

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