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).
Conn syndrome
Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue resembling that normally present in the outer portion (cortex) of the adrenal gland. The excess aldosterone results in a potassium level…
Read the definitionRandom terms
Show more- Sinus rhythm The normal regular rhythm of the heart set by the natural pacemaker of the heart called the sinoatrial (or…
- Social phobia Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Buboes The plural of 'bubo'
- Nasogastric Referring to the passage from the nose to the stomach. A nasogastric tube is one that is passed through the…
- Vertex The top of the head. In a vertex presentation, the top of the baby's head comes first at delivery. The word…
- DNA repair gene A gene engaged in DNA repair. When a DNA repair gene is impaired, mutations pile up throughout the DNA. The…
- Paralysis, vocal cord Paralysis, vocal cord: Inability of one or both vocal folds (vocal cords) to move. The paralysis is usually…
- Deep vein thrombosis Deep vein thrombosis: A blood clot (thrombus) in a deep vein in the thigh or leg. The clot can break off as…
- Nitrogen narcosis A condition similar to intoxication with alcohol with euphoria, loss of balance and manual dexterity…
- Multiple symmetric lipomatosis A disorder characterized by painless symmetrical diffuse deposits of fat beneath the skin of the neck, upper…
- Interleukin-1 A protein produced by various cells, including macrophages, interleukin-1 raises body temperature, spurs the…
- Pains, growing Mysterious pains in growing children, usually in the legs. These pains are similar to what the weekend…