肌肉组织 The Muscle Tissue Skeletal muscle (No.9)(Drawing) Cardiac muscle (NO.10) Smooth muscle (NO. 1) 20150402
Skeletal muscle Connective tissue coverings (responsible for force transduction): Epimysium: surround the entire muscle Perimysium: surround a muscle bundle Endomysium: surround individual muscle cells
Skeletal muscle: HE X100
Skeletal muscle: HE X100
Skeletal muscle:HEX400 Perimysium Endomysium Muscle fiber Peripherally situated nuclei myofibrils Skeletal muscle:HEX400
Skeletal muscle: HEX400 Long cylindrical cell Multinucleate Dark bands-A Light bands-I Skeletal muscle: HEX400
Cardiac muscle Endocardium Myocardium Epicardium
endocardium Purkinge fibers myocardium
Cardiac muscle:HEX100 Intercalated discs Cross striation Elongated and centrally situated nuclei Cardiac muscle:HEX100
Cardiac muscle:HEX400
Cardiac muscle:HEX400 (cross section) Cap Cardiac muscle:HEX400 (cross section)
Smooth muscle Adventitia Muscular layer Submucosa Mucosa Small intestine: HEX40
Smooth muscle:HEX400 Elongated spindle-shaped cell Centrally situated nucleus No cross striation Smooth muscle:HEX400
A few cells with nuclei CT betw. fibers Smooth muscle:HEX100
Skeletal Muscle (Drawing) 1.Cross Section: Epimysium Perimysium Endomysium 2. Longitudinal Section: I,A band, sarcomere
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