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hypotonicity

   Also found in: Medical, Wikipedia 0.09 sec.
hy·po·ton·ic  (hp-tnk)
adj.
1. Pathology Having less than normal tone or tension, as of muscles or arteries.
2. Chemistry Having the lower osmotic pressure of two fluids.

hypo·to·nici·ty (-t-ns-t) n.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.hypotonicity - (of a solution) the extent to which a solution has a lower osmotic pressure than some other
osmotic pressure - (physical chemistry) the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane
hypertonicity - (of a solution) the extent to which a solution has a higher osmotic pressure than some other
2.hypotonicity - (of muscular tissue) the state of being hypotonic
tonicity, tonus, tone - the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli; "the doctor tested my tonicity"
hypertonia, hypertonus, hypertonicity - (of muscular tissue) the state of being hypertonic

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? Mentioned in ? References in periodicals archive
 
The Ableware Corner Seat Positioning Aid is designed to promote head and upper-extremity control to encourage the development of fine motor control in children with hypotonicity or spasticity.
Baron's research, performed in vitro (in test tubes rather than on human participants), revealed that saliva's natural hypotonicity (low salt) rapidly disrupted 90% or more of the HIV-infected blood mononuclear leukocytes, with a 10,000-fold or greater inhibition of the multiplication of HIV and surrogate viruses.
Functional limitations observed in patients with cerebellar dysfunction may include postural instability,(8,9) gait ataxia,(8) dyssynergia (the inability to perform movement involving multiple joints in one smooth pattern),(10) hypotonicity (decreased resistance to passive stretch, with difficulty fixating limbs posturally),(12) fatiguability, and weakness resulting in activity limitations.
 
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