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单词 hypotonic
释义

Definition of hypotonic in English:

hypotonic

adjective ˌhʌɪpə(ʊ)ˈtɒnɪkˌhaɪpəˈtɑnɪk
  • 1Biology
    Having a lower osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.

    〔生〕低渗的

    Example sentencesExamples
    • To collect the cells, the cultures were centrifuged and treated with hypotonic solution for 30 min at 37°C.
    • After 15 min five drops of methanol/acetic acid were added to the hypotonic solution to begin cell fixation.
    • Thus, the photodamaged lysosomes and the normal ones will suffer the same level of osmotic stress in the same hypotonic sucrose medium.
    • At the end of the culture period cells were harvested, exposed to a hypotonic solution and fixed in methanol/acetic acid.
    • About 5 ml of hypotonic solution was added.
  • 2Physiology
    Of or in a state of abnormally low muscle tone.

    〔生理〕(肌肉)张力减退的

    Example sentencesExamples
    • On arrival, at 3 hours of age, he was hypotonic with tonic seizures of the upper extremities and bilaterally fixed, dilated pupils.
    • The infant with botulism becomes progressively weak, hypotonic and hyporeflexic, showing bulbar and spinal nerve abnormalities.
    • Cerebral palsy takes the form of a hypotonic tetraplegia when the child has a mobility problem but with floppy muscles.

Derivatives

  • hypotonia

  • noun ˌhʌɪpə(ʊ)ˈtəʊnɪəˌhaɪpəˈtoʊniə
    mass nounPhysiology
    • An abnormally low level of muscle tone.

      〔生理〕(肌肉)张力减退的

      causes of infantile hypotonia
      Example sentencesExamples
      • Additional symptoms of chronic carnitine deficiency can include hypoglycemia, progressive myasthenia, hypotonia, or lethargy.
      • For this reason, extensive efforts have been devoted toward elucidating the mechanisms of REM sleep-related upper airway hypotonia.
      • The classic clinical features include constipation, cranial nerve abnormalities, hypotonia, hyporeflexia and respiratory difficulties.
  • hypotonicity

  • noun
    • In conditions of hypotonicity, ADH is normally suppressed, and a dilute urine is excreted.
      Example sentencesExamples
      • With this knowledge, the effects of hypotonicity were assessed by comparing the responses of an isotonic to a hypotonic solution.
      • Symptoms are related to the plasma hypotonicity that is secondary to water retention.
      • Hyponatremia is most commonly associated with states of hypotonicity; however, it can also occur in states of normal or high osmolarity.
      • We investigated the effects of hyper- and hypotonicity on ion transport processes.

Definition of hypotonic in US English:

hypotonic

adjectiveˌhīpəˈtänikˌhaɪpəˈtɑnɪk
  • 1Biology
    Having a lower osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid.

    〔生〕低渗的

    Example sentencesExamples
    • After 15 min five drops of methanol/acetic acid were added to the hypotonic solution to begin cell fixation.
    • To collect the cells, the cultures were centrifuged and treated with hypotonic solution for 30 min at 37°C.
    • At the end of the culture period cells were harvested, exposed to a hypotonic solution and fixed in methanol/acetic acid.
    • Thus, the photodamaged lysosomes and the normal ones will suffer the same level of osmotic stress in the same hypotonic sucrose medium.
    • About 5 ml of hypotonic solution was added.
  • 2Physiology
    Of or in a state of abnormally low muscle tone.

    〔生理〕(肌肉)张力减退的

    Example sentencesExamples
    • On arrival, at 3 hours of age, he was hypotonic with tonic seizures of the upper extremities and bilaterally fixed, dilated pupils.
    • The infant with botulism becomes progressively weak, hypotonic and hyporeflexic, showing bulbar and spinal nerve abnormalities.
    • Cerebral palsy takes the form of a hypotonic tetraplegia when the child has a mobility problem but with floppy muscles.
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更新时间:2025/1/14 12:53:57