bio notes

bio notes - RED: EPITHELIUM Simple squamousdiffusion,...

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RED: EPITHELIUM Simple squamous—diffusion, alveoli, endothelium, parts of nephron tubules Stratified squamous—resistance, esophagus, lining of mouth, anus and vagina, epidermis Simple cuboidal—active transport & secretion, thyroid, outer ovary, glandular ducts, sweat glands Stratified cuboidal—uncommon, ovarian follicle, ducts of sweat glands Transitional—stretching to occur, ureters and urinary bladder Simple columnar—DIGESTIVE TRACK, mucosa Stratified columnar—epiglottis (ciliated), LINING OF URETHRA Pseudostratified—RESPIRATORY TRACK, CILIATED, ONLY ONE LAYER Serosa—simple squamous, no external opening Mucosa—simple columnar, external opening Exocrine—ducts Endocrine—no ducts, secrete hormones BLUE: CONNECTIVE TISSUE Majority is made up of organic nonliving material Extracellular components: Ground substance Fibers: Reticular fibers Collagen Elastin Cellular components: Fibroblasts—most common cells in connective tissue Adipose cells—fat Macrophages (develop from monocytes)—are both phagocytes
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bio notes - RED: EPITHELIUM Simple squamousdiffusion,...

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