Tonus
Encyclopedia
Tonus is the Latin equivalent of the English word tone. It is especially used to refer to:
  • Muscle tone
    Muscle tone
    In physiology, medicine, and anatomy, muscle tone is the continuous and passive partial contraction of the muscles, or the muscle’s resistance to passive stretch during resting state. It helps maintain posture, and it declines during REM sleep.-Purpose:Unconscious nerve impulses maintain the...

    , the continuous and passive partial contraction of the muscles
  • Arterial tone, the continuous and passive partial contraction of the arteriole
    Arteriole
    An arteriole is a small diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries.Arterioles have muscular walls and are the primary site of vascular resistance...

    s
  • Tonicity
    Tonicity
    Tonicity is a measure of the osmotic pressure gradient of two solutions separated by a semipermeable membrane. It is commonly used when describing the response of cells immersed in an external solution...

    , the ability of a solution to cause water movement
  • The Pythagorean interval
    Pythagorean interval
    In musical tuning theory, a Pythagorean interval is a musical interval with frequency ratio equal to a power of two divided by a power of three, or vice versa...

    of 9/8
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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