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).
Fournier's gangrene
Gangrene: A horrendous infection of the genitalia that causes severe pain in the genital area (in the penis and scrotum or perineum) and progresses from erythema (redness) to necrosis (death) of tissue. Gangrene can occur within hours. The…
Read the definitionRandom terms
Show more- Macrocytic 1. Any abnormally large cell. The opposite of macrocytic is microcytic (an abnormally small cell). 2. An…
- Cranial nerves Nerves that emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from…
- First American medical school King's College Medical School founded in New York in 1767. Its mission was fairly lofty -- to 'enlarge the…
- Flail chest When enough ribs are broken (usually from a crush injury) to compromise the rigidity of the chest wall. On…
- Lamin A Abbreviated LMNA. A gene on chromosome 1 that encodes a protein which is a key component of the membrane…
- Biochemical aspirin resistance The inability of aspirin to produce an anticipated effect on one or more tests of platelet function, such as…
- Hematophobia An abnormal and persistent fear of blood is called hematophobia. Sufferers of this very common phobia dread…
- Nodule, Heberden A small hard fixed bump on the finger, usually at the last joint of the finger. A Heberden nodule is a…
- Estimated date of confinement (EDC) The due date or estimated calendar date when a baby will be born
- Infectious mono See infectious mononucleosis.
- Jewett staging system A system for determining the stage of a prostate cancer. The system uses ABCD. The letters 'A' and 'B'…
- Skin test for allergy Allergy: Teste on the skin to identify the allergy substance (the allergen) that is triggering the allergic…