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Related to hypotonicity: hypertonicity


1. Having less than normal tone or tension, as of muscles or arteries.
2. Chemistry Having the lower osmotic pressure of two solutions.

hy′po·to·nic′i·ty (-tə-nĭs′ĭ-tē) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
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
References in periodicals archive ?
A five-day-old female baby was referred to the Pediatric Genetics Outpatient Clinic because of facial palsy and hypotonicity.
Because of its hypotonicity and microorganisms, the saliva can contribute to cell death.
Gene analysis was made as the patient could have SMA since the refexes were weak and hypotonicity was present.
21) The second theory is that reflex tearing on lens insertion causes hypotonicity of the PLTF allowing water to flow through the lens towards the cornea leading to lens adherence.
Hypotonicity of saliva plays a vital role in the detection of salty taste by the taste buds independent of sodium content.
A practitioner can palpate muscle hypotonicity which can indicate motor nerve deficit.
It has medical use for induction and augmentation of labour, to control post- partum bleeding and uterine hypotonicity.
Keywords: Generalized hypotonicity, Hereditary sensory motor polyneuropathy, Myopathy, Muscular dystrophy, Spinal muscular atrophy,.
In mammals, physiological hypotonicity can facilitate the acrosome reaction in the sperm through calcium increase and acrosome swelling (Rossato et al.
The hypotonicity of the fluids provides electrolytes and free water to help renal excretion of metabolic wastes (Phillips, 2010).