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histology

American  
[hi-stol-uh-jee] / hɪˈstɒl ə dʒi /

noun

  1. the branch of biology dealing with the study of tissues.

  2. the structure, especially the microscopic structure, of organic tissues.


histology British  
/ hɪˈstɒlədʒɪ, ˌhɪstəˈlɒdʒɪkəl /

noun

  1. the study, esp the microscopic study, of the tissues of an animal or plant

  2. the structure of a tissue or organ

"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

histology Scientific  
/ hĭ-stŏlə-jē /
  1. The scientific study of the microscopic structure of plant and animal tissues.


Other Word Forms

Derived Forms

Etymology

Origin of histology

First recorded in 1840–50; histo- + -logy

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."

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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.

Histology techniques often require specialized stains, high-end equipment and carefully preserved samples, and they still struggle to depict fiber crossings clearly.

From Science Daily • Dec. 9, 2025

Figure 21.7 Location, Structure, and Histology of the Thymus The thymus lies above the heart.

From Textbooks • Jun. 19, 2013

Figure 21.8 Structure and Histology of a Lymph Node Lymph nodes are masses of lymphatic tissue located along the larger lymph vessels.

From Textbooks • Jun. 19, 2013

Figure 23.16 Histology of the Stomach The stomach wall is adapted for the functions of the stomach.

From Textbooks • Jun. 19, 2013

Histology sounds like history, but for some reason, I think it has to do with skin.

From "Out of My Mind" by Sharon M. Draper

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