单词	hypertonic
释义	hypertonic /ˌhʌɪpəˈtɒnɪk / adjective 1 Biology Having a higher osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.Vasopressin continued to act in patients excreting isotonic or hypertonic urine, so hypotonic intake must be avoided in them.... In hypertonic syndromes the brain compensates by increasing osmoles in the brain cells. Neurologically they are hypertonic and may have frequent episodes of apnea. 2 Physiology Of or in a state of abnormally high muscle tone.Whilst the muscles are not necessarily hypertonic in osteoporosis they are likely to have undergone fibrotic changes.... When the nervous system becomes involved, the muscle tendon bundles remain hypertonic and pain reflexes in the area are activated. Derivatives hypertonia /ˌhʌɪpəˈtəʊnɪə/ nounsense 2. ... The springs in this territory are also of a great help in curing cardiovascular diseases like hypertonia. Massive overdose can bring about ginseng abuse syndrome, which is characterized by hypertension, insomnia, hypertonia, and edema. If the patient survives the initial episode, the disorder leads to severe mental and motor retardation, growth failure, hypertonia and seizures. hypertonicity /ˌhʌɪpətəˈnɪsɪti/ noun ... The hypertonicity of the radiopaque agent draws fluid into the bowel to facilitate passage and expulsion of the tenacious meconium. Infant colic is characterized by excessive and inconsolable crying, hypertonicity, and wakefulness, mainly in the evening. This vicious cycle forces the fissure open and prevents healing, which in turn exacerbates the sphincter hypertonicity.
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