英文医学课件：Lab.Muscular tissue
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肌肉组织 The Muscle Tissue
1.Skeletal muscle (No.9)(Drawing) 2.Cardiac muscle (NO.10) 3.Smooth muscle (NO. 1)
20140930
Skeletal muscle
Connective tissue coverings
(responsible for force transduction):
Epimysium: surround the entire muscle
Perimysium: surround a muscle bundle
Endomysium: surround individual muscle cells
myocardium
Intercalated Cross
discs
striation
Elongated
and centrally situated nuclei
Cardiac muscle:HEX100
Cardiac muscle:HEX400
Cap
Cardiac muscle:HEX400 (cross section)
Long
cylindrical cell
Multinucleate Dark Light
bands-A bands-I
Skeletal muscle: HEX400
Cardiac muscle
Endocardium
Myocardium
Epicardium
Purkinge fibers
endocardium
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
The end
Smooth muscle
Adventitia Muscular
layer
Submucosa Mucosa
Small intestine: HEX40
E百度文库ongated
spindle-
shaped cell
Centrally
situated
nucleus
No
cross striation
Skeletal muscle: HE X100
Skeletal muscle: HE X100
Perimysium Endomysium Muscle fiber
Peripherally situated nuclei
myofibrils
Skeletal muscle:HEX400
1.Skeletal muscle (No.9)(Drawing) 2.Cardiac muscle (NO.10) 3.Smooth muscle (NO. 1)
20140930
Skeletal muscle
Connective tissue coverings
(responsible for force transduction):
Epimysium: surround the entire muscle
Perimysium: surround a muscle bundle
Endomysium: surround individual muscle cells
myocardium
Intercalated Cross
discs
striation
Elongated
and centrally situated nuclei
Cardiac muscle:HEX100
Cardiac muscle:HEX400
Cap
Cardiac muscle:HEX400 (cross section)
Long
cylindrical cell
Multinucleate Dark Light
bands-A bands-I
Skeletal muscle: HEX400
Cardiac muscle
Endocardium
Myocardium
Epicardium
Purkinge fibers
endocardium
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
The end
Smooth muscle
Adventitia Muscular
layer
Submucosa Mucosa
Small intestine: HEX40
E百度文库ongated
spindle-
shaped cell
Centrally
situated
nucleus
No
cross striation
Skeletal muscle: HE X100
Skeletal muscle: HE X100
Perimysium Endomysium Muscle fiber
Peripherally situated nuclei
myofibrils
Skeletal muscle:HEX400