Previous Image | Next Image |
Description: Calcium channels and muscle contraction: (a) Calcium channels open as the action potential travels along the sarcolemma. (b) Large amounts of calcium are released from storage in the sarcoplasmic reticula, causing actin and myosin filaments to slide and muscle contraction to occur.
Picture Stats: Views: 434 Filesize: 232.66kB Height: 1427 Width: 799 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=28549 |