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Definition of Tonicity
1. Noun. The elastic tension of living muscles, arteries, etc. that facilitate response to stimuli. "The doctor tested my tonicity"
Category relationships: Muscle, Muscular Tissue
Generic synonyms: Tautness, Tenseness, Tension, Tensity
Specialized synonyms: Catatonia, Muscle Tone, Muscular Tonus, Myotonia, Hypertonia, Hypertonicity, Hypertonus, Hypotonia, Hypotonicity, Hypotonus
Derivative terms: Tone, Tonic, Tonic
Antonyms: Atonicity
Definition of Tonicity
1. n. The state of healthy tension or partial contraction of muscle fibers while at rest; tone; tonus.
Definition of Tonicity
1. normal, healthy bodily condition [n -TIES]
Medical Definition of Tonicity
1. 1. A state of normal tension of the tissues by virtue of which the parts are kept in shape, alert, and ready to function in response to a suitable stimulus. In the case of muscle, it refers to a state of continuous activity or tension beyond that related to the physical properties; i.e., it is active resistance to stretch; in skeletal muscle it is dependent upon the efferent innervation. Synonym: tonus. 2. The osmotic pressure or tension of a solution, usually relative to that of blood. See: isotonicity. Origin: G. Tonos, tone (05 Mar 2000)