chapter3connectivetissueprooper(固有結締組織)-展示頁
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【正文】 arkly stained Cytoplasm: acidophilic, with granules巨噬顆粒 of various sizes ? EM: numerous microvilli, rich in lysosomes, phagosomes, phagocytic vacuole and residual body ? Function: Chemotaxis； Phagocytosis吞噬作用 Secretion； Immune reaction LCT ? CELL ? MACROPHAGE Macrophage ?Histocyte: macrophage in LCT Macrophage (TEM) Macrophage Macrophage Mast Cell ?Distributed around vessels ?Structure: ? Large, round or ovoid ? Nucleus: small and palestained ? Cytoplasm: filled with numerous coarse metachromatic 易染性 granules. ?Function: the granules contain heparin肝素 , histamine組胺 and eosinophil chemotactic factors嗜酸性趨化因子 , and the cytoplasm contains leukotriene白三烯 , taking part in allergic reactions過敏發(fā)應 . LCT ? CELL ? MAST CELL Mast Cell Mast Cell (TEM) LCT ? CELL ? FAT CELL Fat Cell (Adipocyte) ?Structure ? Large, round or polygonal ? Eccentric, flattened nucleus ? A thin rim of cytoplasm ? A large lipid droplet ?Function: synthesize and store fat White adipose tissue HE LCT ? CELL Undifferentiated Mesenchymal Cell ?Structure: similar to fibrocyte ?Function: with differentiating potential Leukocytes ?Neutrophil, eosinophil and lymphocyte LCT ? FIBER Fiber: synthesized by fibroblast ?Collagenous [k?39。d??n?s] fiber膠原纖維 ?Elastic fiber ?Reticular fiber LCT ? FIBER ? COLLAGENOUS FIBER Collagenous [k?39。d??n?s] Fiber (White fiber) ?LM: Thick 、 Acidophilic ?EM: parallelarranged collagenous fibrils膠原原纖維 ? Collagenous fibril: ?With periodic cross striation周期性橫紋 at 64 nm interval ?Component成分 : type Ⅰ and Ⅲ collagens ?Mechanical Property: great tensile strength Collagenous Fiber Elastic Fiber Collagenous Fiber（ Muscle Tendon HE） Collagenous Fibril (EM) LCT ? FIBER ? ELASTIC FIBER Elastic Fiber (yellow fiber) ?LM: ? Thin ? Slight red (HE), purple (aldehyde fuchsin) or brown (orcein) ?EM: Elastin + Microfibril ?Mechanical Property: great elasticity Molecular basis of elasticity Collagenous Fiber Elastic Fiber Large Artery LCT ? FIBER ? RETICULAR FIBER Reticular Fiber ?LM: ? Thin ； Branch to form works ? Argyrophil fiber (silver staining)； PAS (+) ?EM: ? Component
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