Which part of the urinary tract differs significantly in anatomy between males and females?
AThe ureter of each kidney
BThe urinary bladder wall
CThe urethra below the bladder
DThe renal pelvis and calyces
Answer & Solution
Correct answer: C. The urethra below the bladder
1. Urine leaves the bladder through the urethra.
2. The urethra is the only urologic organ with a significant anatomic difference between the sexes.
3. All the other urine transport structures are identical in males and females.
4. The male urethra differs because it also carries semen, which the female urethra does not.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 25 "The Urinary System", section 25.2 Gross Anatomy of Urine Transport_
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