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Multiple Choice
Which term refers to the flared region at the distal end of the uterine tube?
A
Infundibulum
B
Fimbriae
C
Isthmus
D
Ampulla
Verified step by step guidance
1
Step 1: Understand the anatomy of the uterine tube (also known as the fallopian tube). It is divided into four main regions: the infundibulum, ampulla, isthmus, and interstitial part.
Step 2: Focus on the infundibulum, which is the flared, funnel-shaped region at the distal end of the uterine tube. It is closest to the ovary and plays a role in capturing the ovulated egg.
Step 3: Learn about the fimbriae, which are finger-like projections attached to the infundibulum. They help guide the egg into the uterine tube but are not the flared region itself.
Step 4: Compare the other options: The ampulla is the wider, central portion of the uterine tube where fertilization often occurs, and the isthmus is the narrow region closer to the uterus. Neither of these is flared or distal.
Step 5: Based on the anatomical descriptions, identify the correct term for the flared region at the distal end of the uterine tube as the infundibulum.