| atonic | 1. <medicine> Characterised by atony, or want of vital energy; as, an atonic disease. 2. Unaccented; as, an atonic syllable. 3. Destitute of tone vocality; surd. Origin: Cf. F. Atonique. See Atony. 1. A word that has no accent. 2. An element of speech entirely destitute of vocality, or produced by the breath alone; a nonvocal or surd consonant; a breathing. 3. <medicine> A remedy capable of allaying organic excitement or irritation. Source: Websters Dictionary (01 Mar 1998) |
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| atonic bladder | A large, dilated, and nonemptying bladder; usually due to disturbance of innervation or to chronic obstruction. (05 Mar 2000) |
| atonic dyspepsia | Dyspepsia with impaired tone in the muscular walls of the stomach. Synonym: functional dyspepsia. (05 Mar 2000) |
| atonic ectropion | Ectropion of the lower eyelid following paralysis of the orbicularis oculi muscle. Synonym: flaccid ectropion, paralytic ectropion. (05 Mar 2000) |
| atonic entropion | Entropion that follows loss of tone of the orbicularis oculi muscle or elasticity of the skin. (05 Mar 2000) |
| atonic seizure | Seizure characterised by sudden loss of muscle tone. Synonym: akinetic seizure. (05 Mar 2000) |
| atonic ulcer | An ulcer that shows little or no tendency to heal. (05 Mar 2000) |
| congenital atonic pseudoparalysis | Atonic pseudoparalysis of congenital origin (neither familial nor hereditary), observed especially in infants and characterised by absences of muscular tone only in muscles innervated by the spinal nerves. Synonym: congenital atonic pseudoparalysis, myatonia congenita, Oppenheim's disease, Oppenheim's syndrome. An indefinite term for a number of congenital neuromuscular disorders that cause generalised myotonia in young children, and that have a benign course (static or regressive). (05 Mar 2000) |