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hypotonia

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hypotonia /hy·po·to·nia/ (-tōn´e-ah) diminished tone of the skeletal muscles.
hy·po·to·ni·a (hp-tn-)
n.
1. Reduced tension or pressure, as of the intraocular fluid in the eyeball.
2. Relaxation of the arteries.
3. A condition in which there is diminution or loss of muscular tonicity, resulting in stretching of the muscles beyond their normal limits.

Hypotonia
Reduced or diminished muscle tone.

hypotonia
[-tō′nē·ə]
Etymology: Gk, hypo, under, tonos, stretching
a condition of diminished tone or tension that may involve any body structure.

hypotonia (hī´pōtō´nē),
n an abnormality of the skeletal muscle tone, which is indicative of genetic disorders or nervous system dysfunction. Patients with hypoplastic tendencies display floppy limbs and an inability to sustain normal head position.

hypotonia
abnormally decreased tonicity or strength.

ocular hypotonia
low intraocular pressure.


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? Mentioned in ? References in periodicals archive
 
These include abnormal or high-pitched cry, hypothermia, poor temperature control, sweating, poor suck or refusal to feed, tremors, exaggerated Moro's reflex, irritability, lethargy, hypotonia, seizures, cyanosis, pallor, tachypnoea, apnoea, abnormal eye movements, tachycardia, congestive heart failure and respiratory distress.
Clinical manifestations include muscle weakness, hypotonia, delayed motor development, and severe contractures with consequent joint deformities.
Five or more of the major clinical criteria must be present, including: (a) infantile hypotonia that gradually improves, (b) feeding problems in infancy, (c) excessive and rapid weight gain after one year but before six years, (d) atypical facial features, including narrow face, almond shaped eyes, and small mouth, (e) hypogonadism with delayed maturation, (f) mild to moderate mental retardation, (g) hyperphagia, food foraging, and an obsession with food, and (h) chromosomal abnormality.
 
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