MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
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Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Thorn test
An early test for Addison's disease. The test is named for Dr. George W. Thorn who devised it. See: Thorn, George W.
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- Miscarriage Miscarriage: Inadvertent loss of a pregnancy before the fetus is viable. A considerable proportion of…
- Thoracentesis Removal of fluid in the pleura through a needle
- Chest film Most common X-ray used to detect abnormalities in or within the thoracic cage, such as the lungs, heart…
- Yeast artificial chromosome (YAC) A vector (carrier) created and used in the laboratory to clone pieces of DNA. A YAC is constructed from the…
- Anterior chamber The space in the eye that is behind the cornea and in front of the iris. The cornea is the outer…
- Pauling-Corey helix The alpha helix, the structure of most proteins, discovered by Linus Pauling and Robert Corey. See: Alpha…
- DHHS Acronym for the U.S. Department of Health and Human Services. Also known as HHS. The U.S. Department of…
- Mycobacterium tuberculosis The bacterium that causes tuberculosis. M. tuberculosis has unusually waxy walls, is slow-growing and among…
- Biopsy, excisional See: Excisional biopsy
- Protean Very variable; easily changing; or continually changing. Protean is not to be confused with protein (a member…
- Nail grooves See: Beau's lines