Question

Write a short note on columnar epithelial tissue

Answer 1

A simple columnar epithelium is a columnar epithelium that is uni-layered. In humans, a simple columnar epithelium lines most organs of the digestive tract including the stomach, small intestine, and large intestine. Simple columnar epithelia line the uterus.

location

Non-ciliated types are found in the digestive tract. Ciliated types are found within bronchioles of the respiratory tract and in the oviduct of the female reproductive tract.

Ciliated columnar epithelium moves mucus and other substances via cilia and is found in the upper respiratory tract, the Fallopian tubes, the uterus, and the central part of the spinal cord.

structure

Simple columnar epithelium is further divided into two categories: ciliated and non-ciliated

Answer 2

These cells are tall .

These cells are Cylindrical.

These cells are Pillar like.

The basal part of the cells which rests on the basement membrane bears oval nucleus.

The free ends present in these cells are known as microvilli .

They are present in our pharynx, stomach, intestine etc.