| OD | Doctor of Optometry; obtained absorbance; occipital dysplasia; occupational dermatitis; occupational... |
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| OHD | hydroxyvitamin D; Office of Human Development; Ondine-Hirschsprung disease; organic heart disease |
| PAIN | pyoderma gangrenosum, aphthous stomatitis, inflammatory eye disease, erythema nodosum [disorders ass... |
| PAOD | peripheral arterial occlusive disease; peripheral arteriosclerotic occlusive disease |
| PKD | polycystic kidney disease; proliferative kidney disease |
| Gamna's disease | <disease> A form of chronic splenomegaly characterised by conspicuous thickening of the capsule and the presence of multiple, small, rustlike, brown foci (Gamna-Gandy bodies), which contain iron; this condition may be observed in fibrocongestive splenomegaly, sickle cell disease, and some examples of haemochromatosis. (05 Mar 2000) |
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| Gandy-Nanta disease | <disease> Siderotic splenomegaly, probably the same as Gamna's disease. (05 Mar 2000) |
| Vaquez' disease | Overproduction (proliferation) of red blood cells due to bone marrow disease (myeloproferative disorder). Pv tends to evolve into acute leukaemia or a condition with the marrow replaced by scar tissue (myelofibrosis) (12 Dec 1998) |
| ragpicker's disease | A form of anthrax acquired by inhalation of dust containing Bacillus anthracis; there is an initial chill followed by pain in the back and legs, rapid respiration, dyspnea, cough, fever, rapid pulse, and extreme cardiovascular collapse. Synonym: anthrax pneumonia, ragpicker's disease, ragsorter's disease, rag-sorter's disease, wool-sorter's pneumonia, woolsorter's disease, wool-sorter's disease. (05 Mar 2000) |
| ragsorter's disease | A form of anthrax acquired by inhalation of dust containing Bacillus anthracis; there is an initial chill followed by pain in the back and legs, rapid respiration, dyspnea, cough, fever, rapid pulse, and extreme cardiovascular collapse. Synonym: anthrax pneumonia, ragpicker's disease, ragsorter's disease, rag-sorter's disease, wool-sorter's pneumonia, woolsorter's disease, wool-sorter's disease. (05 Mar 2000) |
| railroad disease | An acute disease seen in cattle and sheep during and shortly after shipping; it appears most often in females in advanced pregnancy and is believed to be precipitated by stress, lack of food and water, and perhaps heat. Synonym: railroad disease, railroad sickness. (05 Mar 2000) |
| Majocchi's disease | Asymptomatic annular lesions, principally of the lower extremities of adolescent males, in which the peripheral portion is composed of purpura or petechiae with brawny staining of haemosiderin deposits and minute telangiectasia. Synonym: Majocchi's disease. (05 Mar 2000) |
| garapata disease | <disease> Tick fever occurring in Spain. (05 Mar 2000) |
| Garre's disease | Fusiform thickening or increased density of bones, of unknown cause; it has been considered a form of chronic nonsuppurative osteomyelitis. Synonym: condensing osteitis, Garre's disease. Osteitis tuberculosa multiplex cystica, an osteitis of tuberculous origin, marked by numerous small cavities in the osseous substance. Synonym: Jungling's disease. (05 Mar 2000) |
| gasping disease | A specific infectious disease of young birds, caused by infectious bronchitis virus, a member of Coronaviridae, and associated with blocking of respiratory passages by exudate; it is highly transmissible, and often causes heavy losses of young chicks and heavy production losses among older laying birds. Synonym: gasping disease. (05 Mar 2000) |
| panner disease | <radiology> Avascular necrosis of capitellum (12 Dec 1998) |
| Panner's disease | Epiphysial aseptic necrosis of the capitellum of the humerus. (05 Mar 2000) |
| gastrooesophageal reflux disease | <gastroenterology> A disorder where a backwash of gastric juices (acid) into the oesophagus lead to inflammation and pain. Symptoms include heartburn, indigestion, increased belching and upper abdominal pain. Complications include oesophageal stricture. Treatment is with antacids, H2 antagonists and proton pump inhibitors. Synonym: reflux oesophagitis. (12 Jan 1998) |
| veldt disease | An acute febrile disease of cattle, sheep, and goats in sub-Saharan Africa and certain islands in the Indian and Atlantic Oceans and in the Caribbean, caused by the rickettsial organism Cowdria ruminantium and transmitted by ticks of the genus Amblyomma; some species of African antelope and European and American deer also are susceptible. Synonym: cowdriosis, veldt disease. (05 Mar 2000) |
| paper mill worker's disease | <chest medicine> Extrinsic allergic alveolitis caused by moldy wood pulp containing spores of Alternaria fungi. (05 Mar 2000) |