hypertonicity$36833$ - definizione. Che cos'è hypertonicity$36833$
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Cosa (chi) è hypertonicity$36833$ - definizione

MUSCLE PARALYSIS, INCREASED TENDON REFLEX ACTIVITY, HYPERTONIA
Muscle spasticity; Spastic paralysis; Muscular hypertonicity; Spasmology; Rigidity (neurology); Infantile-onset ascending hereditary spastic paralysis

Spasticity         
·noun A state of spasm.
II. Spasticity ·noun The tendency to, or capability of suffering, spasm.
Spasticity         
Spasticity () is a feature of altered skeletal muscle performance with a combination of paralysis, increased tendon reflex activity, and hypertonia. It is also colloquially referred to as an unusual "tightness", stiffness, or "pull" of muscles.
hypotonic         
  • A [[red blood cell]] in a hypertonic solution, causing water to move out of the cell.
  • A [[red blood cell]] in a hypotonic solution, causing water to move into the cell.
  • Depiction of a [[red blood cell]] in an isotonic solution.
  • Micrographs of osmotic pressure on red blood cells
CHEMICAL QUALITY
Hypotonic; Hypertonic; Hypertonic solution; Hypotonic solution; Isotonicity; Hyptonicity; Hypertonicity; Hyperosmotic; Hypoosmotic; Hypotonicity; Isotonic solutions; Tonacity; Isotonic fluid; Osmotic agent; Hypotonic solutions; Low tonicity
[?h??p?(?)'t?n?k]
¦ adjective
1. Biology having a lower osmotic pressure than a particular fluid.
2. Physiology of or in a state of abnormally low muscle tone.
Derivatives
hypotonia noun
hypotonicity noun

Wikipedia

Spasticity

Spasticity (from Greek spasmos- 'drawing, pulling') is a feature of altered skeletal muscle performance with a combination of paralysis, increased tendon reflex activity, and hypertonia. It is also colloquially referred to as an unusual "tightness", stiffness, or "pull" of muscles.

Clinically, spasticity results from the loss of inhibition of motor neurons, causing excessive velocity-dependent muscle contraction. This ultimately leads to hyperreflexia, an exaggerated deep tendon reflex. Spasticity is often treated with the drug baclofen, which acts as an agonist at GABA receptors, which are inhibitory.

Spastic cerebral palsy is the most common form of cerebral palsy, which is a group of permanent movement problems that do not get worse over time. GABA's inhibitory actions contribute to baclofen's efficacy as an anti-spasticity agent.