any three type of epithelium tissues
Answers
☯ ANSWER:-
Types of epithelial tissues includes:-
→Squamous Epithelium= Simple Squamous epithelial cells are extremely thin and flat and form delicate lining. The oesophagus and the lining of the mouth are also covered with squamous epithelium.
→Stratified Squamous epithelium= skin, which protects the body, is also made of squamous epithelium. Skin epithelium cells are arranged in many layers to prevent wear and tear. Since, they are arranged in a pattern of layers, the epithelium is called stratified squamous epithelium.
→Columnar epithelial tissues= Where apsorption and secretion occur, as in the inner lining of the intestine, tall epithelial cells are present. This columnar (meaning "pillar- like") epithelium facilitates movement across the epithelial barrier. In the respiratory tract, the columnar epithelial tissue also has cilia, which are hair-like projections on the outer surfaces of epithelial cells. These cilia can move, and their movement pushes the mucus forward to clear it. This type of epithelium is this termed as ciliated columnar epithelium.
→Cuboidal epithelium tissues= Cuboidal epithelium (with cube- shaped cells) forms the lining of kidney tubules and ducts of salivary glands, where it provides mechanical support. Epithelial cells often acquire additional specialisation as gland cells, which can secrete substances at the epithelial surface. Sometimes, a portion of the epithelial tissue folds inward, and a multi-cellular gland is formed. This is glandular epithelium.
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