chapter3connectivetissueprooper(固有結(jié)締組織)(編輯修改稿)
2025-03-10 10:34 本頁(yè)面
【文章內(nèi)容簡(jiǎn)介】 nous 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: type Ⅲ collagen ? 64nm cross striations ?Distribution: ? Reticular tissue ? Connecting portion, . reticular lamina Reticular Fiber ← （ Lymph Node， silver staining ） ← ← LCT ? GROUND SUBSTANCE Ground Substance ?Amorphous colloidal substance ?Consists of ? Glycosaminoglycan糖胺多糖 ? Proteoglycan蛋白多糖 ? Multiadhesive glycoprotein多黏多糖 ? Tissue fluid組織液 LCT ? GROUND SUBSTANCE ? GLYCOSAMINOGLYCAN Glycosaminoglycans (GAGs) ?Sulfated ? Chondroitin sulfate A, C 硫酸軟骨素 ? Keratan sulfate 硫酸角質(zhì)素 ? Heparan sulfate 硫酸乙酰肝素 ? Dermatan sulfate 硫酸皮膚素 ?Nonsulfated ? Hyaluronic acid (hyaluronan ) 透明質(zhì)酸 LCT ? GROUND SUBSTANCE ? PROTEOGLYCAN Proteoglycan ?A. Proteoglycan subunit ? 1 Core protein ? 4 GAGs Test tube brush like Core protein GAGs LCT ? GROUND SUBSTANCE ? PROTEOGLYCAN Proteoglycan ?B. Proteoglycan aggregate ? Core protein Hyaluronic acid 透明質(zhì)酸 ? Proteoglycan subunit ? Link protein 連接蛋白 Proteoglycan subunit Collagenous fibril Molecular sieve LCT ? GROUND SUBSTANCE ? MULTIADHESIVE GLYCOPROTEIN Multiadhesive Glycoprotein 多黏多糖 ?Fibronectin, FN 纖維粘連蛋白 ?Laminin, LN 層粘連蛋白 ?Chondronectin, ChN 軟骨粘連蛋白 LCT ? GROUND SUBSTANCE ? TISSUE FLUID ?Tissue Fluid DENSE CONNECTIVE TISSUE Dense Connective Tissue (DCT) ?Features: fewer cells, more fibers ?Function: connection and supporting ?Three types ? Dense regular connective tissue ? Dense irregular connective tissue ? Elastic tissue ※※ Distribution DCT ? DENSE REGULAR CONNECTIVE TISSUE Dense regular connective tissue ?Structure: ? Parallelarranged collagenous fibers ? Tendon cells
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