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muscular tissue - Coggle Diagram
muscular tissue
cardiac muscle
the wall of the heart is formed of
myocardium
epicardium
endocardium
fibers striated and involuntary
nuclei: 1-2 large, oval, central
cells join at intercalated disks
characteristics
cells faintly striated
branching cells connect by means of intercalated disks
to form functional network
EM
Myofibrils
as skeletal but striations are not regular
T tubules
wider than that of skeletal muscle
sarcoplasmic reticulum
poorly developed
Diad
at the Z-line
mitochondria
more numerous
inclusions
glycogen
myoglobin
lipofuscin
lipid
smooth muscle