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).
Syndrome, Johnson-Stevens
See: Stevens-Johnson syndrome.
Read the definitionRandom terms
Show more- Red blood cell The blood cell that carries oxygen. Red cells contain hemoglobin and it is the hemoglobin which permits them…
- Pathology The study of disease. Pathology has been defined as 'that branch of medicine which treats of the essential…
- Eye cataract A clouding of the lens of the eye. The normally clear aspirin-sized lens of the eye starts to become cloudy…
- Hayfever Hay fever is, always has been, and ever shall be two separate words. See: Hay fever
- Occipital 1. Pertaining to the occiput, the back of head. 2. Located near the occipital bone as, for example, the…
- Nephrology The art and science of the care of the kidney.
- Sore, cold A small sore situated on the face or in the mouth that causes pain, burning, or itching before bursting and…
- Lunule 1. The crescent-shaped area at the base of a fingernail or toenail. 2. Any small crescent- or moon-shaped…
- Influenza, Hong Kong See: Hong Kong flu
- Aromatase inhibitor A drug that inhibits the enzyme aromatase and by that means lowers the level of the estrogen estradiol…
- Alien hand syndrome Syndrome: The feeling that one's hand is possessed by a force outside of ones control. The syndrome typically…
- RML Acronym for the right middle lobe (of the lung). The right lung has three lobes: the right lower lobe (RLL)…