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tonus

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.05 sec.
tonus /to·nus/ (to´nus) tone or tonicity; the slight, continuous contraction of a muscle, which in skeletal muscles aids in the maintenance of posture and in the return of blood to the heart.
to·nus (tns)
n.
Body or muscular tone; tonicity.
tonus (tōˑ·ns),
n the continuous partial contraction of muscles to maintain posture and to help stabilize joints.
tonus
tone or tonicity; the slight, continuous contraction of a muscle, which in skeletal muscles aids in the maintenance of posture and in the return of blood to the heart.


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