结 缔 组 织 connective tissue
DESCRIPTION
结 缔 组 织 Connective Tissue. 教学目的: 学习掌握固有结缔组织的分类、结构及在人体中主要的功能。 教学要求 : 掌握固有结缔组织的特点和分类。 掌握疏松结缔组织中主要组成细胞的结构和功能。 熟悉三种纤维及基质的结构和特点。 了解致密结缔组织、脂肪组织和网状组织的基本结构和功能。. 1 组成. 细胞. 纤维. 细胞间质. 基质. 2 特点 : ( 1 )细胞少,种类多 , 细胞间质多 ( 2 )无极性 ( 3 )有丰富的血管和神经 ( 4 )分布广泛 - PowerPoint PPT PresentationTRANSCRIPT
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Connective Tissue
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:
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1 2 :1, 2 3 4
3 :
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+ 4 mesenchyme
+
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5
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loose connective tissue LCT dense connective tissue DCTreticular tissue adipose tissue CT Proper CT
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loose connective tissue areolar tissue 1 2 3
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2
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1 Cells 1 Fibroblast2 Macrophage3 Plasma cell 4 Mast cell5 Fat cell6 Undifferentiated mesenchymal cell 7 White cells
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: )
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HE
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1 fibroblast LM EM rER Golgi ribosome fibrocyte
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(HE)
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6 (123GC4rER56)
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2 macrophage LM EM :1 2 3
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HE
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M P Eo
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3 plasma cell B LM EMRER Golgi
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HE
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HE
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:
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4 mast cell LM
1 2Gra
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(
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5fat cell : : :
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HE
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()
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6 undifferentiated mesenchymal cell
7 leukocyte
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Collagenous fiber () Elastic fiber ( ) Reticular fiber ()2 fibers
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Collagenous fiber synthesis
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1 ( Collagenous fiber )
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HE
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: :2
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2 (elastic fiber)
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1 2 1 2 3 4
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3 (reticular fiber)
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3 ground substance a b glycoprotein c Tissue fluid
proteoglycan
515
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DCT1 .2
DCT:
DCT: CT LCTDCT
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DCT() DCT()
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dipose tissue : +CT :
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HE
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():
+ CT
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:
+ CT
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reticular tissue reticular cell
reticular fiber ground substance
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HE