Element 3. Nerves, the neuromuscular junction and muscle.
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Contents
1. EC-coupling 2. In the T-tubules
2. The structures present (sarcolemma, t-tubules and SR)
Sarcolemma
T-tubular membranes
Sarcoplasmic reticulum
3. The function of sarcolemma, t-tubular and SR membranes.
Sarcolemma
Sarcoplasmic reticulum & t-tubular system
T-tubular and sarcoplasmic reticular membranes
4. Calcium reuptake and relaxation.
Figures
Figure 1 - Cut-away diagram of skeletal muscle (mammalian) showing several microfibrils and associated sarcoplasmic reticulum and the sarcolemma and t-tubular systems
Figure 2 - A cartoon showing the sarcolemma, T-tubules and SR membranes and the junctional end feet (that span the gap between the t-tubular and SR membranes)
Copyright © 1998 University of Bristol. All rights reserved.
Author:
Phil Langton
Last modified: 29 Nov 1999 16:14
Authored in
CALnet