Histology

Histologic specimen being placed on the stage of an optical microscope.
Human lung tissue stained with hematoxylin and eosin as seen under a microscope.

Histology,[help 1] also known as microscopic anatomy or microanatomy,[1] is the branch of biology that studies the microscopic anatomy of biological tissues.[2][3][4][5] Histology is the microscopic counterpart to gross anatomy, which looks at larger structures visible without a microscope.[5][6] Although one may divide microscopic anatomy into organology, the study of organs, histology, the study of tissues, and cytology, the study of cells, modern usage places all of these topics under the field of histology.[5] In medicine, histopathology is the branch of histology that includes the microscopic identification and study of diseased tissue.[5][6] In the field of paleontology, the term paleohistology refers to the histology of fossil organisms.[7][8]


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  1. ^ Cite error: The named reference Collins was invoked but never defined (see the help page).
  2. ^ Cite error: The named reference Britannica histology was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Defined terms histology was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference Maximow and Bloom, 1957 was invoked but never defined (see the help page).
  5. ^ a b c d Cite error: The named reference Leeson and Leeson, 1981 was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference Stedman's medical dictionary was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Padian and Lamm, 2013 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Canoville and Chinsamy, 2015 was invoked but never defined (see the help page).