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.
- 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).
Hypotension, orthostatic
A temporary lowering of blood pressure (hypotension) due usually to suddenly standing up (orthostatic). Orthostatic hypotension may be experienced by healthy people -- it is more common in older people -- who rise quickly from a chair…
Read the definitionRandom terms
Show more- Homolog (homologue) One chromosome of a pair.
- Pulse, pistol-shot See: Pulse, water hammer
- Facio-auriculo-vertebral spectrum See: Goldenhar syndrome
- Compulsive shopping An obsession with shopping that significantly interferes with the functioning of the individual. The signs…
- Cancer, breast, familial A number of factors have been identified that increase the risk of breast cancer. One of the strongest of…
- MI A poisonous vapor or mist believed to be made up of particles from decomposing material that could cause…
- Radiologic Having to do with radiology.
- Evolution, biologic Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out…
- Proximal See: Myotonic dystrophy type 2.
- Disease, Quincke's This is angioneurotic edema (or angioedema), a form of localized swelling of the deeper layers of the skin…
- Topoisomerase A class of enzymes that alter the supercoiling of double-stranded DNA. (In supercoiling the DNA molecule…
- Prothrombin mutation 20210A See: Prothrombin mutation G20210A