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Related to hypertonicity: hypotonicity


1. Physiology Having extreme muscular or arterial tension.
2. Chemistry Having the higher osmotic pressure of two solutions.

hy′per·to·nic′i·ty (-tə-nĭs′ĭ-tē) n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hypertonicity - (of a solution) the extent to which a solution has a higher 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
hypotonicity - (of a solution) the extent to which a solution has a lower osmotic pressure than some other
2.hypertonicity - (of muscular tissue) the state of being hypertonic
tonicity, tonus, tone - the elastic tension of living muscles, arteries, etc. that facilitate response to stimuli; "the doctor tested my tonicity"
hypotonia, hypotonus, hypotonicity - (of muscular tissue) the state of being hypotonic
References in periodicals archive ?
discussed with us that day Katie, it turned out, was almost completely missing her cerebellum, and this fact explained her jitteriness and hypertonicity The implications were still extremely unclear.
Palpation revealed hypertonicity in the lumbar paraspinal musculature and tenderness with spinous challenge at L3-S1.
Anal hypertonicity may aggravate perfusion to the anal canal.
These anatomical and electrophysiological changes indicate that spinal cord circuitry with impaired or absent descending supraspinal and spinal input is more excitable by peripheral stimulation and may partially explain the exaggerated reflex responsiveness, hypertonicity, and autonomic disturbances that occur after SCIs.
In checking dorsiflexion, you should be able to push the infant's foot and flex the ankle greater than 90 degrees unless there is hypertonicity.
Spasticity is characterized by muscle hypertonicity, hyperactive muscle stretch reflexes, exaggerated tendon reflexes, clonus and flexor spasms.
Chronic physiologic increases in cortisol inhibhit the vasopressin response to hypertonicity in conscious dogs.
Lumbar segmental hypomobility and mild paraspinal hypertonicity were also noted.
Once the hypertonicity aspect of vestibulitis is improved, vestibulitis will not recur because the original trigger is no longer there, Dr.
Patients with TB spondylodiscitis present with tenderness, hypertonicity of the paraspinal muscles and limited mobility.
Causes of hypotony (1) a ocular surgery or trauma b ciliochoroidal detachment c ciliary effusion d rhegmatogenous retinal detachment e cyclodialysis cleft f iridocyclitis g ocular ischemia h traction ciliary body detachment i pharmacological aqueous suppressants j chemical antimetabolites k laser or cryocyclodestruction l Systemic hypertonicity or acidosis.
Hypertonicity was also noted within the right quadratus lumborum muscle.