The surface area of absorption is increased by the small intestine's mucosa forming a number of tiny folds called villi, which contain microvilli made of columnar epithelium. The correct response is thus "Columnar epithelium."
The intestinal tract is lined with columnar epithelium from the oesophagus to the rectum. Several glands' ducts are also lined with it. A typical form protects the small intestine's villi. The brain, the middle ear, and numerous glands and ducts all contain cubic epithelium. The covering epithelium of the kidney's glomeruli and capsule is composed of squamous epithelial cells, which are flattened epithelial cells that are extremely thin and irregular in shape. The trachea, bronchi of the lungs, portions of the nasal cavities, the female uterus and oviduct, and the male vas deferens and epididymis, are all lined with ciliated epithelium. a single, typically large projection from a cell's exposed surface.
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