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  1. the branch of biology dealing with the study of tissues.
  2. the structure, especially the microscopic structure, of organic tissues.

Origin of histology

First recorded in 1840–50; histo- + -logy
Related formshis·to·log·i·cal [his-tl-oj-i-kuh l] /ˌhɪs tlˈɒdʒ ɪ kəl/, his·to·log·ic, adjectivehis·to·log·i·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for histological

Historical Examples

British Dictionary definitions for histological


  1. the study, esp the microscopic study, of the tissues of an animal or plant
  2. the structure of a tissue or organ
Derived Formshistological (ˌhɪstəˈlɒdʒɪkəl) or histologic, adjectivehistologically, adverbhistologist, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for histological



"study of organic tissues," 1847, from histo- + -ology.

Online Etymology Dictionary, © 2010 Douglas Harper

histological in Medicine


  1. The science concerned with the minute structure of tissues and organs in relation to their function.microanatomy
Related formshis′to•logi•cal (hĭs′tə-lŏjĭ-kəl) null adj.his•tolo•gist n.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

histological in Science


  1. The scientific study of the microscopic structure of plant and animal tissues.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.