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Week 2 (Epithelial Tissue (Stratified: Multiple layers. (Squamous…
Week 2
Epithelial Tissue
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Simple: Single layer.
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Squamous
Location: Air sacs in the lungs, and the lining of the heart, blood vessels and lymphatic vessels.
Characteristics: Allows material to pass through it by diffusion and filtration. Secretes lubricating substance.
Columnar
Location: ciliated tissue in bronchi, uterine tubes, and uterus. Non ciliated in digestive tract and bladder.
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Transitional epithelium
Location: Lines bladder, uretha, and ureters.
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