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