Columnar epithelium in the intestine functions primarily in absorption and secretion. Its tall and closely packed cells with microvilli increase surface area for absorption of nutrients, while goblet cells secrete mucus, aiding in lubrication and protection of the intestinal lining.
Columnar epithelium in the intestine functions primarily in absorption and secretion. Its tall and closely packed cells with microvilli increase surface area for absorption of nutrients, while goblet cells secrete mucus, aiding in lubrication and protection of the intestinal lining.