Which epithelial type is adapted for stretching, as seen in the urinary bladder?
Solution
Correct Answer: Option B
The correct answer is Transitional epithelium because it is specifically designed to accommodate stretching and distension. This epithelial type lines the urinary bladder, ureters, and part of the urethra, allowing these organs to expand as they fill with urine without causing damage to the lining. Its cells can change shape from cuboidal to squamous when stretched, providing a protective barrier while maintaining integrity. This property is crucial during bladder filling and emptying cycles, preventing urine leakage and damage to underlying tissues. Understanding this adaptation is important in surgeries involving the urinary tract to avoid compromising the epithelium’s function.
Reference: Gray's Anatomy, Richard L. Drake, Edition 42nd.
Reference: Gray's Anatomy, Richard L. Drake, Edition 42nd.
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