2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Tonus \To"nus\, n. [L. a sound, tone. See {Tone}.] (Physiol.)
Tonicity, or tone; as muscular tonus.
From WordNet r 1.6 [wn]:
tonus
n : the elastic tension of living muscles, arteries, etc that
facilitate response to stimuli; "the doctor tested my
tonicity" [syn: {tonicity}, {tone}] [ant: {atonicity}]
more about tonus
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