Multiple choice

Gall bladder epithelium is

  1. simple squamous

  2. simple cuboidal with stereocilia

  3. simple columnar

  4. simple columnar with brush border
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The gall bladder lining consists of simple columnar epithelium with microvilli on the apical surface, which increases surface area for absorption. These microvilli are sometimes described as a brush border, though this term is more commonly used for intestinal epithelium.

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