1) Ability 1) Stypsis 
Myocardial contractility represents the intrinsic ability of the heart/myocardium to contract. Changes in the ability to produce force during contraction result from incremental degrees of binding between myosin (thick) and actin (thin) filaments. The degree of binding that occurs depends on concentration of calcium ions in the cell. Within an in ...
• (n.) The quality or property by which bodies shrink or contract. • (n.) The power possessed by the fibers of living muscle of contracting or shortening.
capacity for becoming short in response to a suitable stimulus.
Capacity for becoming short in response to a suitable stimulus. ... (18 Nov 1997) ... 
(kon″trak-til´ĭ-te) a capacity for contracting in response to suitable stimulus.
Con`trac·til'i·ty noun 1. The quality or property by which bodies shrink or contract. 2. (Physiol.) The power possessed by the fibers of living muscle of contracting or shortening. » When subject to the will, as in the muscles of locomotion, such power is called volun...
Type: Term Pronunciation: kon′trak-til′i-tē Definitions: 1. The ability or property of a substance, especially of muscle, of shortening, or becoming reduced in size, or developing increased tension.
[n] - the capability or quality of shrinking or contracting esp by muscle fibers and even some other forms of living matter
noun the capability or quality of shrinking or contracting, especially by muscle fibers and even some other forms of living matter