| PSA | parasternal short axis; pleomorphic salivary gland adenoma; polyethylene sulfonic acid; polysacchari... |
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| SC | conditioned stimulus; sacrococcygeal; Sanitary Corps; scalenus [muscle]; scapula; Schwann cell; scia... |
| ARSACS | autosomal recessive spastic ataxia of Charlevoix-Saguenay |
| HSP | Health Systems Plan; heat shock protein; hemostatic screening profile; Henoch-Schonlein purpura; her... |
| ST | esotropia; scala tympani; scaphotrapezoid; sclerotherapy; sedimentation time; semitendinosus; sensor... |
| pseuodoparalysis, spastic | Better known as creutzfeldt-jakob disease. A dementing disease of the brain. It is believed due to an unconventional (not a bacteria or virus), transmissible agent called a prion. Symptoms of cjd include forgetfulness, nervousness, jerky trembling hand movements, unsteady gait, muscle spasms, chronic dementia, balance disorder, and loss of facial expression. Cjd is classified as a spongiform encephalopathy. most cases occur randomly (sporadically), but inherited forms exist. There is neither treatment nor cure for cjd. Other names for cjd include creutzfeldt-jakob syndrome and jakob-creutzfeldt disease. (12 Dec 1998) |
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| spastic | 1. Of the nature of or characterised by spasms. 2. Hypertonic, so that the muscles are stiff and the movements awkward. 3. A person exhibiting spasticity, such as occurs in spastic paralysis or in cerebral palsy. Origin: Gr. Spastikos (13 Nov 1997) |
| spastic abasia | Abasia due to a spastic contraction of the muscles when an attempt is made to walk. (05 Mar 2000) |
| spastic anaemia | Local anaemia resulting from nontransitory contraction of the arterial vessels in the affected region. (05 Mar 2000) |
| spastic colitis | See Syndrome, irritable bowel. (12 Dec 1998) |
| spastic colon | A bowel disorder with no demonstrable organic abnormality. Often referred to as a functional bowel disorder or spastic colon. Symptoms include episodic, crampy abdominal pains often related to anxiety. (27 Sep 1997) |
| spastic diplegia | A type of cerebral palsy in which there is bilateral spasticity, with the lower extremities more severely affected. Compare: flaccid paralysis. Synonym: Erb-Charcot disease, infantile diplegia, Little's disease, spastic spinal paralysis, tabes spasmodica. (05 Mar 2000) |
| spastic dysarthria | Dysarthria caused by lesions along the corticobulbar tracts. Synonym: rigid dysarthria. (05 Mar 2000) |
| spastic dysphonia | A spasmodic contraction of the intrinsic muscles of the larynx excited by attempted phonation, producing either adductor or abductor subtypes caused by central nervous system disease. A localised form of movement disorder. Synonym: phonic spasm, spastic dysphonia. (05 Mar 2000) |
| spastic ectropion | Ectropion of the lower eyelid as a result of ocular irritation. (05 Mar 2000) |
| spastic entropion | Entropion that arises from excessive contracture of the orbicularis oculi muscle. (05 Mar 2000) |
| spastic flat foot | Eversion of the foot with spasm of the muscles (peroneal) on the outer side; often associated with abnormal bars of bone cartilage or fibrous tissue between the calcaneum and the navicular (scaphoid) or between the navicular and the talus, resulting in a tarsal coalition. (05 Mar 2000) |
| spastic gait | Gait in which the leg is stiff, without flexion at knee and ankle, and with each step is rotated away from the body, then towards it, forming a saemicircle. Synonym: circumduction gait, spastic gait. (05 Mar 2000) |
| spastic hemiplegia | A hemiplegia with increased tone in the antigravity muscles of the affected side. (05 Mar 2000) |
| spastic ileus | Intestinal obstruction due to spastic contraction of a segment of the bowel. Synonym: spastic ileus. (05 Mar 2000) |