n.
The study of the microscopic anatomical changes in diseased tissue.
histopathologic his'to·path'o·log'ic (-păth'ə-lŏj'ĭk) or his'to·path'o·log'i·cal adj.
histopathologically his'to·path'o·log'i·cal·ly adv.
histopathologist his'to·pa·thol'o·gist n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.