| tonic c. |
tetanus (def. 2).
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| tonic neck r. |
a reflex in the newborn consisting of extension of the upper limb and sometimes the lower limb on the side to which the head is forcibly turned, with flexion of the contralateral limbs; cf. Magnus and de Kleijn neck r's.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| tonic p. |
a usually unilateral condition of the eye in which the affected pupil is larger than the other, responds to accommodation and convergence in a slow, delayed fashion, and reacts to light only after prolonged exposure to dark or light. Called also Adie's p., myotonic p., and pupillotonia. See also Adie's syndrome, under syndrome.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| tonic r. |
1. one in which an appreciable period of time passes between muscle contraction and relaxation. 2. a reflex which maintains the reflex contractions that are the basis of posture and attitude.
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| tonic s. |
a seizure characterized by tonic but not clonic contractions, usually occurring in Lennox-Gastaut syndrome or multiple sclerosis.
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