| dysautonomia | Abnormal functioning of the autonomic nervous system. Origin: dys-+ G. Autonomia, self-government (05 Mar 2000) |
|---|---|
| dysautonomia, familial | An autosomal recessive inherited disorder seen predominantly in jewish infants and children. The peripheral autonomic and sensory neurons are affected. The characteristic distinguishing this disorder from other hereditary sensory and autonomic neuropathies is the predominance of autonomic symptoms such as excessive perspiration, defective lacrimation, and hypertension. Insensitivity to pain and areflexia are also present. (12 Dec 1998) |
| dysbarism | General term for the symptom complex resulting from exposure to decreased or changing barometric pressure, including all physiologic effects resulting from such changes with the exception of hypoxia, and including the effects of rapid decompression. Origin: dys-+ G. Baros, weight (05 Mar 2000) |
| dysbasia | 1. Difficulty in walking. 2. The difficult or distorted walking that occurs in persons with certain mental disorders. Origin: dys-+ G. Basis, a step (05 Mar 2000) |
| dysbasia angiosclerotica | Dysbasia angiospastica, obsolete terms meaning intermittent difficulty in walking due to peripheral vascular causes. (05 Mar 2000) |
| dysbasia lordotica progressiva | An affection characterised by lordoscoliosis of the lower portion of the vertebral column, occurring when the patient stands or walks and usually disappearing when the patient lies down. Synonym: torsion neurosis. (05 Mar 2000) |
| dysbetalipoproteinaemia | Hyperlipoproteinaemia characterised by increased plasma levels of LDL, beta-lipoproteins, pre-beta-lipoproteins, cholesterol, phospholipids, and triglycerides; hypertriglyceridemia induced by a high carbohydrate diet, and glucose tolerance is abnormal; frequent eruptive xanthomas and atheromatosis, particularly coronary artery disease; biochemical defect lies in apolipoproteins; there are many varieties. Synonym: carbohydrate-induced hyperlipaemia, dysbetalipoproteinaemia, familial hyperbetalipoproteinaemia and hyperprebetalipoproteinaemia, familial hypercholesterolaemia with hyperlipaemia. (05 Mar 2000) |
| dysbolism | Abnormal, but not necessarily morbid, metabolism, as in alkaptonuria. Origin: dys-+ G. Bole (metabole), + -ismos, metabolism (05 Mar 2000) |
| dysbulia | Weakness and uncertainty of volition. Origin: dys-+ G. Boule, will (05 Mar 2000) |
| dysbulic | Relating to, or characterised by, dysbulia. (05 Mar 2000) |
| dyscalculia | Difficulty in performing simple mathematical problems; commonly seen in parietal lobe lesions. Origin: dys-+ L. Calculo, to compute, fr. Calculus, pebble, counter (05 Mar 2000) |
| dyscephalia | Malformation of the head and face. Synonym: dyscephaly. Origin: dys-+ G. Kephale, head (05 Mar 2000) |
| dyscephalia mandibulo-oculofacialis | A syndrome of bony anomalies of the calvaria, face, and jaw, with brachygnathia, narrow curved nose, and multiple ocular defects including microphthalmia, microcornea, and cataract, often with alopecia overlying skull sutures, or alopecia areata and hypoplasia, or absence of eyebrows. The pattern of inheritance is undecided. Synonym: congenital sutural alopecia, Hallermann-Streiff syndrome, Hallermann-Streiff-Francois syndrome, mandibulo-oculofacial syndrome, oculomandibulodyscephaly, oculomandibulofacial syndrome, progeria with cataract, progeria with microphthalmia. (05 Mar 2000) |
| dyscephaly | Malformation of the head and face. Synonym: dyscephaly. Origin: dys-+ G. Kephale, head (05 Mar 2000) |
| dyscheiral | Relating to dyscheiria. (05 Mar 2000) |