basement membrane

Nephron: Introduction and Structure

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The structural and functional unit of kidney is called nephron. There are millions of nephrons (1-1.3 million) in each kidney. The count of nephron decreases after about 45 to 50 years of age at the rate of 0.8% to 1% every year. Nephron is generally formed by two parts: a) Renal corpuscle or malphigian corpuscles … Read more

Epithelial tissue and its types

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Epithelial tissue and its types

Introduction Epithelial tissue is one of the four basic types of animal tissues. It is a covering tissue. It forms thin sheets which cover body structures and also line the cavities of all the hollow organs of the body. It is arranged in single or multilayered sheets. It is supported and attached to underlying connective … Read more