Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of several abnormal conditions characterized by the appearance of histiocytes in the blood or tissues.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun medicine An excess of histiocytes, associated with various rare diseases.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a blood disease characterized by an abnormal multiplication of macrophages

Etymologies

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Examples

  • Of note, according Kallen and colleagues, there were 6 cases of a rare white blood cell disorder called histiocytosis (against 1 expected).

    Yahoo! News: Business - Opinion 2010

  • Of note, according Kallen and colleagues, there were 6 cases of a rare white blood cell disorder called histiocytosis (against 1 expected).

    Yahoo! News: Business - Opinion 2010

  • And in doing so they have also told the rare disease community with truly rare diseases such as histiocytosis which affects 1 in 200,000 or apx 1600 americans that we have no hope to find cures for our children because it is too rare to matter.

    ABC News: Top Stories 2012

  • In histiocytosis, these cells accumulate on bones and other parts of the body, particularly the head and neck, causing a wide range of problems.

    Yahoo! News: Business - Opinion 2010

  • In histiocytosis, these cells accumulate on bones and other parts of the body, particularly the head and neck, causing a wide range of problems.

    Yahoo! News: Business - Opinion 2010

  • Langerhans cell histiocytosis (LCH) Histiocytosis is a rare blood disease that is caused by an excess of white blood cells called histiocytes.

    WN.com - Articles related to Hip hope from stem cell technique 2010

  • Max 2 years since feb 2008, has been diagnosed with Langerhans cell histiocytosis

    WN.com - Articles related to Hip hope from stem cell technique 2010

  • There were 12 cases of various solid cancers and a half-dozen instances of Langerhand histiocytosis -- six times the amount expected prior to the research.

    RedOrbit News - Technology 2010

  • "We do not understand the apparently increased risk for histiocytosis," Kallen told Reuters

    Yahoo! News: Business - Opinion 2010

  • "We do not understand the apparently increased risk for histiocytosis," Kallen told Reuters

    Yahoo! News: Business - Opinion 2010

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