Look up: histiocytosis

1. 
   histiocytosis
   [n] - a blood disease characterized by an abnormal multiplication of macrophages
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. 
   Histiocytosis
   Histiocytosis: A rare but potentially deadly disorder with similarities to cancer, in which histiocytes start to multiply and attack the person's own tissues or organs. The result can be tissue damage, pain, development of tumor-like lumps called granulomas, fatigue, and other symptoms. If histiocytosis affects the pituitary gland, diabetes insipid ...
   Found on http://www.medterms.com/script/main/art.
   
   
3. 
   histiocytosis
   A condition marked by the abnormal appearance of histiocytes (macrophages) in the blood. Lipid h., Niemann-Pick disease. Sinus h., a disorder of the lymph nodes in which the distended sinuses are completely or nearly completely, filled by histiocytes, as a result of active multiplication of the littoral cells. H. X, a generic term embracing eosinop ...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
4. 
   Histiocytosis
   In medicine, `histiocytosis` is an excessive number of histiocytes, that is an excessive number of `tissue macrophages`, and is typically used to refer to a group of rare diseases which share this as a characteristic. Occasionally and confusingly it is sometimes used to refer to individual diseases. According to the Histiocytosis Association of America, 1 in 200,000 children in the United States are born with histiocytosis each year. HAA also st...
   Found on http://en.wikipedia.org/wiki/Histiocytos
   
   
5. 
   histiocytosis
   (his″te-o-si-to´sis) the abnormal appearance of histiocytes in the blood. Langerhans cell histiocytosis any of several disorders characterized by proliferation of Langerhans cells (specialized cells found in the skin that are part of the immune system); all are believed to arise fro...
   Found on http://www.mercksource.com/pp/us/cns/cns
   
   
6. 
   histiocytosis
   histocytosis, histiocytosis Any of several disorders in which there is a proliferation of histocytes without any known underlying cause; such as, infection, or a disorder of lipid metabolism. Histocytosis may be solitary or multiple, and may be restricted to bone or may be generalized.
   Found on http://www.wordinfo.info/words/index/inf
   
   
7. 
   histiocytosis
   A generalized proliferation of histiocytes. Syn: histocytosis
   Found on