histiocytosis
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Related to histiocytosis: sinus histiocytosis, malignant histiocytosis, Langerhans cell histiocytosis
histiocytosis
[‚his·tē·ō‚sī′tō·səs] (medicine)
Abnormal proliferation of histiocytes, especially in hematopoietic tissues.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.