NEET 2024 Zoology Question 171 Solution
Question
Which of the following is not a component of Fallopian tube?
- (1)Infundibulum
- (2)Ampulla
- (3)Uterine fundus
- (4)Isthmus
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Which of the following is not a component of Fallopian tube?
The Fallopian tube consists of three parts: Infundibulum, Ampulla, and Isthmus! Uterine fundus is the dome-shaped upper part of the UTERUS, not the Fallopian tube!
Each fallopian tube (oviduct) is about 10-12 cm long and extends from the periphery of each ovary to the uterus. The part closer to the ovary is the funnel-shaped infundibulum. The edges of the infundibulum possess finger-like projections called fimbriae. The infundibulum leads to a wider part of the oviduct called ampulla. The last part of the oviduct, isthmus, has a narrow lumen and it joins the uterus.
The uterus is hollow, pear-shaped and consists of three anatomical regions: fundus (upper dome-shaped region), body/corpus (main central portion), and cervix (lower narrow canal opening into vagina).
Uterine fundus belongs to the uterus, not the fallopian tube.
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Infundibulum is the proximal funnel-shaped segment of the fallopian tube.
Ampulla is the wide middle segment of the fallopian tube.
Uterine fundus is part of the uterus, not a component of the fallopian tube.
Isthmus is the narrow distal segment of the fallopian tube joining the uterine cavity.
Thinking isthmus belongs only to the thyroid or uterus.
"Each fallopian tube is about 10-12 cm long... The part closer to the ovary is the funnel-shaped infundibulum... leads to a wider part called ampulla. The last part of the oviduct, isthmus has a narrow lumen and it joins the uterus."
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