Question

write a note in cuboidal and columnar epithelial tissue with diagram
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Answer 1

Answer:

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Explanation:

Cells of cuboidal epithelium are cuboidal or polygonal in shape. They are mainly present in the lining of smaller salivary ducts, pancreatic ducts, gastric glands, thyroid follicles, germinal epithelium of ovary and proximal part of uriniferous tubules. FUNCTIONS :- It's main function include secretion and absorption.

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Answer 2

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★ cuboidal epithelial tissue:-

A simple epithelium tissue in which, cells are cube like in shape.

● The nucleus is round in shape.

● Nucleus is present in the center.

★Function:-

●It involves in secretion and absorption.

★ Location:-

● In tubular part of nephron(DCT).

● Duct of glands.

●Thyroid follicle.

● Covering of testes and ovaries, here it is known as "Germinal epithelium".

★ Modifications in cuboidal epithelium:-

★ Microvilli:-

Cytoplasmic finger like structural projections, that increases the surface area for absorption.

●The the cuboidal epithelium that possesses microvilli is known as "Brush bordered cuboidal epithelium" due to brush like appearance of microvilli on the cuboidal cell.

●It is present in PCT (Proximal convulated tubule).