Physiology Exam 1: t-tubule system
-internal exterior of surface of cell membrane that penetrates all the way through m from one side to the other
-open to exterior of m fiber
-when AP spreads along m. fiber, spreads along t-tubule as well

Question

t-tubule system 
-internal exterior of surface of cell membrane that penetrates all the way through m from one side to the other
-open to exterior of m fiber
-when AP spreads along m.  fiber, spreads along t-tubule as well

Emma Grace Goldman · Accepted Answer

how does AP spreading on surface of m fiber penetrate deeply into m fiber to cause max m contraction?

Physiology Exam 1

T-tubule system -internal exterior of surface of cell membrane that penetrates all the way through m from one side to the other -open to exterior of m fiber -when AP spreads along m. fiber, spreads along t-tubule as well

How does AP spreading on surface of m fiber penetrate deeply into m fiber to cause max m contraction?

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