histology
Americannoun
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the branch of biology dealing with the study of tissues.
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the structure, especially the microscopic structure, of organic tissues.
noun
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the study, esp the microscopic study, of the tissues of an animal or plant
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the structure of a tissue or organ
Other Word Forms
Etymology
Origin of histology
Explanation
Histology is the scientific study of the tiniest cells that make up plants and animals. If you're interested in histology, you need to get a microscope. Some biologists are most fascinated with the microscopic — so small they're invisible without a microscope — details of organisms. These scientists study histology, examining the cells of plant and animal tissues. While the Greek root of the word histology is histo, or "anything that stands upright," it is used in medical terminology to talk about tissues. The Greek suffix ology simply means "branch of science."
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Then came the gut punch: “The histology confirmed grade 4 glioblastoma, or GBM.”
From Barron's • Mar. 12, 2026
It can reveal the orientation and organization of tissue fibers at micrometer resolution on virtually any histology slide, regardless of how it was stained or preserved -- even if the slide is many decades old.
From Science Daily • Dec. 9, 2025
“Hospital records, police reports, reports from their own investigators, toxicology, histology reports,” McIntyre said, “and obviously autopsy findings.”
From Los Angeles Times • Mar. 30, 2024
But a provisional cause of death was not done "pending further investigation of histology and toxicology".
From BBC • Mar. 17, 2023
To the extent that fetal hormones affect brain chemistry and histology, I’ve got a male brain.
From "Middlesex: A Novel" by Jeffrey Eugenides
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
