Lecture 12: Structure Of The Cardiac Muscle Flashcards
1
Q
What joins the myocytes?
A
Intercalated disks
2
Q
What is the function of intercalated disks?
A
Attachment to myocytes and electrical communication
3
Q
What are sarcomeres?
A
The area between Z lines
4
Q
Is the sarcomere the functional unit of the myofibril?
A
Yes
5
Q
What is T tubule?
A
Inward invagination of sarcolemma into sarcoplasm
6
Q
What is the T tubule function?
A
Influx of CA ions, and contraction excitation
