Cardiac Muscle

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10 Terms

1
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modified/specialized myocardial cells

conduct AP at different AP velocities 

2
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examples of modified/specialized myocardial cells

SA Node, AV Node, AV Bundle, Purkinje Fibers

3
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myocardial cells

all other cells that are not specialized

-function is to contract myocardial cells

4
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examples of myocardial cells

all other cells making up walls of atria and ventricles

5
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shape of myocardial cells

branched

6
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how are myocardial cells connected

by gap junctions (intercalated disks) which allow for direct communication between neigboring cells 

7
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what is AP generated by

specialized myocardial cells

8
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where does the Ca+ for AP come from

from SR (intracellular)

9
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where does the SA Node send AP’s too

intimates ap once sends it to myocytes (atrial walls and) & av nodes

10
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what does the SA node consist of 

specialized myocytes capable of generating their own AP