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Types of Epithelia
Simple Epithelia:
simple squamous epithelium- cells are flattened laterally and the cytoplasm is sparse
Function- allows a passage of materials by diffusion and filtration in sites where protection is not important, secretes lubricating substances
Location- kidneys, air sacs of lungs, lining of heart, blood vessels, lymphatic vessels
simple cuboidal epithelium- single layer of cube like cells with large, spherical central nuclei
Function- secretion and absorption
Location- kidney tubules, ducts and secretory portions of glands, ovary surface
Simple columnar epithelium- single layer of tall cells with round nuclei, some bear cilia
function- absorption, secretion of mucus, enzymes and other substances
Location- most of digestive tract, gallbladder, excretory ducts if some glands, small bronchi, uterine tubes, uterus
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FlowVella, Previously Known As Flowboard
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