| 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) |
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| 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) |
| dyscheiria | A disorder of sensibility in which, although there is no apparent loss of sensation, the patient is unable to tell which side of the body has been touched (acheiria), or refers it to the wrong side (allocheiria), or to both sides (syncheiria). Origin: dys-+ G. Cheir, hand (05 Mar 2000) |
| dyschezia | Difficulty in defecation. Origin: dys-+ G. Chezo, to defecate (05 Mar 2000) |
| dyschondrogenesis | Abnormal development of cartilage. Origin: dys-+ G. Chondros, cartilage, + genesis, production (05 Mar 2000) |
| dyschondroplasia | Synonym: enchondromatosis. Origin: dys-+ G. Chondros, cartilage, + plasis, a forming (05 Mar 2000) |
| dyschondroplasia with haemangiomas | <syndrome> Enchondromatosis with multiple cavernous haemangiomas. Synonym: dyschondroplasia with haemangiomas. (05 Mar 2000) |