Cellsfibroblastsfat cellsundifferentiated mesenchymal cellsmacrophagesplasma cellsmast cellsleukocytes
fibroblasts fat cells undifferentiated mesenchymal cells macrophages plasma cells mast cells leukocytes Cells
1.FibroblastsLM:shape:large,flattened cell withprocessesNu: ovoid, large, and pale-staining,witha prominentnucleolus.Cytoplasm:weaklybasophilicEMrich in rough endoplasmic reticulum&ribosome,developedGolgicomplex
LM: 1. Fibroblasts EM shape: large, flattened cell with processes Nu: ovoid, large, and pale-staining, with a prominent nucleolus. Cytoplasm: weakly basophilic rich in rough endoplasmic reticulum & ribosome, developed Golgi complex
Function: synthesizefibers and ground substanceibroblasquiescentactiveFibrocytessmallerthanfibroblastsinactive,lessprocessesturnintofibroblast
Function: synthesize fibers and ground substance Fibrocytes smaller than fibroblasts inactive,less processes turn into fibroblast quiescent active
2.MacrophagesOrigin: monocyteLM吞曦次级溶酶体初级溶酶体微绒毛shape: irregular in shape,short, bluntprocesses(pseudopod)Nu:ovalorkidney-shapedlocated eccentricallycytoplasm:acidophilia空泡吞噬体残余体
Origin: monocyte 2. Macrophages LM shape: irregular in shape, short, blunt processes (pseudopod) Nu: oval or kidney- shaped, located eccentrically cytoplasm: acidophilia
anirregularsurfacewithnumerousprojectionsEMalargenumberofLy.pinosome&phagosomebundlesofmicrotubulesandmicrofilaments
EM an irregular surface with numerous projections a large number of Ly. pinosome & phagosome bundles of microtubules and microfilaments