Histology of Large Intestine -
- The wall of the large intestine has a few enzyme-secreting cells.
- There are no circular folds or villi.
- Other than in the anal canal, the mucosa of the colon is simple columnar epithelium made mostly of enterocytes (absorptive cells) and goblet cells.
- The wall of the large intestine has far more intestinal glands.
- These goblet cells secrete mucus that eases the movement of faeces and protects the intestine from the effects of the acids and gases produced by enteric bacteria.
- The enterocytes absorb water and salts as well as vitamins produced by intestinal bacteria.
Large intestine lacks plicae circulares or circular folds of mucosa. Hence, the correct answer is option d.
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