MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
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).
Atom
The smallest part of any material that cannot be broken up by chemical means. Each atom has a center (the nucleus) which contains protons and neutrons. Electrons orbit around the nucleus. The atom is primarily empty space. If the nucleus…
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Show more- Health physics The science of human health and radiation exposure. Health physics, also called medical physics, is devoted…
- HMPS Hereditary mixed polyposis syndrome
- Asbestosis A condition featuring scarring of the lungs caused by inhaled asbestos fibers. Asbestosis is irreversible. It…
- Power-of-attorney for health-care decision-making See: Proxy. health care.
- Infraspinatus muscle >The infraspinatus muscle; >The teres minor muscle, which (like the infraspinatus muscle) helps in the…
- WPW syndrome Abbreviation for the Wolff-Parkinson-White syndrome, a condition caused by an abnormality in the electrical…
- Antibody, antinuclear An unusual antibody that is directed against structures within the nucleus of the cell. Antinuclear…
- Hurler syndrome An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…
- Fertility awareness Also known as natural family planning, periodic abstinence and the rhythm method, this approach entails not…
- Mild cognitive impairment Abbreviated MCI. A brain disorder in which thinking abilities are mildly impaired. Individuals with mild…
- Nonsense mutation A mutation (a change) in a base in the DNA that prematurely stops the translation (reading) of messenger RNA…
- Plan B Brand name for a progestin-only emergency contraceptive designed to prevent pregnancy within 72 hours after a…