sacromere
actin myosin
Contractile cells are the smooth muscle cells of the heart that... contract. They get their signal from the nodes within the heart, which spontaneously fire action potentials (because of leak channels).
sarcomere
Myofibrils
series-elastic elements
Sarcomere
Actin is the protein that forms the contractile thin filaments of muscle cells in the human body. It plays a key role in muscle contraction by interacting with myosin to generate the force required for muscle movement.
Muscle tissue is predominantly composed of contractile cells that allow for movement and force generation in the body. There are three types of muscle tissue: skeletal muscle, smooth muscle, and cardiac muscle, each with specific functions and characteristics. Muscle tissue is responsible for functions such as body movements, maintenance of posture, and generation of heat.
(pacemakers) refers to the cardiac muscle cells responsible for synchronizing the contractile cells to coordinate a heart contraction.
Autorhythmic cells (pacemakers) refers to the cardiac muscle cells responsible for synchronizing the contractile cells to coordinate a heart contraction.
Autorhythmic cells (pacemakers) refers to the cardiac muscle cells responsible for synchronizing the contractile cells to coordinate a heart contraction.
it is set by pacemaker cells located in the longitudinal smooth muscle layer.