Definition of Histology Histology: The study of the form of
structures seen under the microscope. Also called microscopic
anatomy, as opposed to gross anatomy which involves structures
that can be observed with the naked eye. Traditionally, both
gross anatomy and histology (microscopic anatomy) have been
studied in the first year of medical school in the U.S. The word
"anatomy" comes from the Greek ana- meaning up or through + tome
meaning a cutting. Anatomy was once a "cutting up" because the
structure of the body was originally learned through dissecting
it, cutting it up. The word "histology" came from the Greek
"histo-" meaning tissue + "logos", treatise. Histology was a
treatise about the tissues of the body and the cells
thereof.Source: MedTerms™ Medical Dictionary Last Editorial
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