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STRUCTURAL ORGANISATION IN ANIMALS ZOOLOGY BY HARSH KAUSHIK
A tissue is a group of similar cells having a specific function and origin. ANIMAL TISSUES ZOOLOGY BY HARSH KAUSHIK
• It has a free surface that faces body fluid or outside environment. • Covers or lines body or some parts of the body. • Cells are compactly packed with little intercellular matrix. • Are avascular but Nerves are present • Origin is from all three germ layers-Ectodermal, Mesodermal and Endodermal I. EPITHELIAL TISSUE(EPITHELIUM) ZOOLOGY BY HARSH KAUSHIK ANIMAL TISSUES
I. EPITHELIAL TISSUE(EPITHELIUM) ZOOLOGY BY HARSH KAUSHIK ANIMAL TISSUES Compound Multiple layered Simple Single layered Epithelial Tissue