skeletal muscle Flashcards
1
Q
connects what to what
A
muscle to bone
2
Q
what are transverse tubules
A
carry electrical current
3
Q
where are these tubules found
A
in sarcolemma
4
Q
what is in the sarcoplasm
A
myofibrils containing filaments
5
Q
basic feature of contracts
A
actin slides over myson
6
Q
what are myofibrils surrounded by
A
sarcoplasmic reticulum
7
Q
SR closest to tubules arewhat
A
dilated
8
Q
what is the area of dilation called
A
terminal cristae
9
Q
terminal crisate and tubule form what
A
triad
10
Q
function of sr
A
store and release calcium
11
Q
relaxed muscle has what stored in SR
A
calcium
12
Q
when a muscle cell contracts what happens in terms of calcium
A
calcium released over the myofibrils
13
Q
release of calcium then does what
A
actin slides over myosin - contractions