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).
Coronary artery disease
>Chest pain (angina pectoris) from inadequate blood flow to the heart; >Heart attack (acute myocardial infarction), from the sudden total blockage of a coronary artery; or >Sudden death, due to a fatal disturbance of the heart rhythm.
Read the definitionRandom terms
Show more- Quadriparesis Weakness of all four limbs, both arms and both legs, as for example from muscular dystrophy.
- Syndrome, Ramsay Hunt See: Ramsay Hunt syndrome
- Iris The iris is the circular, colored curtain of the eye. Its opening forms the pupil. The iris helps regulate…
- Memory B cells Secondary immune-system components that have an affinity for a particular antigen. Like other B cells, memory…
- Intestinal pseudo-obstruction Symptoms of intestinal obstruction with no sign of actual physical obstruction. This condition may be due to…
- Charley horse A cramp in a muscle in the leg, usually caused by a strain or injury. A charley horse can last anywhere from…
- Paralysis, facial nerve Loss of voluntary movement of the muscles on one side of the face due to abnormal function of the facial…
- Staphylococcus A group of bacteria that cause a multitude of diseases. Under a microscope, Staphylococcus bacteria are round…
- Amnesia, retrograde See: Retrograde amnesia
- Pregnancy, tubal An ectopic pregnancy that takes place in the Fallopian tube. Tubal pregnancies are due to the inability of…
- Psoriasis vulgaris The medical name for the most common form of psoriasis ('vulgaris' means common). About 80% of people with…
- Q_h (on prescription) If a medicine is to be taken every so- many hours, it is written 'q_h'; the 'q' standing for the Latin word…