What does histologic mean?
Histologic is an adjective meaning concerned with the microscopic structure of biological tissues. It is used especially in medicine and pathology for features revealed by examining stained tissue sections, including cell types, arrangements, growth patterns, and signs of disease. A physician might describe a biopsy as showing histologic features typical of inflammation, malignancy, or a particular tissue disorder. Histologic examination therefore means a laboratory assessment of tissue at the level of cells and architecture, rather than a visual examination of an organ as a whole. The term is common in American medical usage, while British English generally prefers histological, though both forms are understood. Its value lies in distinguishing detailed evidence about tissue organization from less detailed, directly visible anatomical features. In research literature, histologic findings may support a diagnosis, establish the severity of tissue damage, or indicate how a condition has progressed.
adjectiveOf or relating to the microscopic structure of tissues, especially as revealed by the study of cellular features and thin tissue sections.
- Relating to the microscopic structure or examination of biological tissues.
"The biopsy revealed distinctive histologic features consistent with a benign tumor."
"Histologic examination of the liver sample showed extensive inflammation."
"The researchers compared the histologic patterns of tumors before and after treatment."
Histologic comes from Greek histos, meaning “web” or tissue: it is vocabulary for the hidden architecture that gives each tissue its identity.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of histologic
Histologic derives from Greek histos, originally meaning “web” and also used for animal tissue, combined with the study-forming element -logia. It developed through the related English form histological and the shortening of that form common in American technical usage. Cognates in English include histology, histologist, and histogenesis, all belonging to the same Greek-based family associated with the study and formation of tissue.
Related word forms
How histologic is actually used
This is a formal, specialized term used chiefly in medicine, pathology, biology, and related research. It normally describes features observed at the tissue or cellular level rather than an entire organ's gross anatomy.
Easily confused with histologic
Both forms mean relating to microscopic tissue structure; histological is the form traditionally preferred in British English, while histologic is common in American medical usage.