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).
Antinuclear antibody
Antinuclear antibody: An unusual antibody that is directed against structures within the nucleus of the cell. Antinuclear antibodies (ANAs) are found in patients whose immune system is predisposed to cause inflammation against their own…
Read the definitionRandom terms
Show more- Selenosis Selenium poisoning. Selenium posioning may be acute (short-term) or chronic (long-term). The effects of acute…
- Dilatation and curettage Dilatation and curettage: A minor operation in which the cervix is expanded enough (dilatation) to permit the…
- Vaccine, Sabin polio See: Polio vaccine, oral
- Breast, infiltrating lobular carcinoma of the Ast, infiltrating lobular carcinoma of the : Infiltrating lobular carcinoma is the second most common type of…
- Clostridium A group of anaerobic bacteria (bacteria that thrive in the absence of oxygen). There are 100+ species of…
- Stroke index A cardiodynamic measure. Stroke volume is the amount of blood the left ventricle ejects in one beat, measured…
- Fat, unsaturated A fat that is liquid at room temperature and comes from a plant such as olive, peanut, corn, cottonseed…
- Bp In genetics, base pair. In general medicine, blood pressure (but usually in capital letters as BP)
- Q.n.s. On a lab report, q.n.s. (or qns or QNS) means Quantity Not Sufficient. Not enough blood, urine or whatever to…
- Orchitis Inflammation of the testis (male sex organ). There are many causes of inflammation of the testis including…
- Atherosclerotic Pertaining to atherosclerosis, the process of progressive thickening and hardening of the walls of arteries…
- Radionuclide An unstable form of a chemical element that radioactively decays, resulting in the emission of nuclear…