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).
Arthritis, systemic-onset juvenile rheumatoid
A form of joint disease in children whose systemic signs and symptoms include high intermittent fever, a salmon-colored skin rash, swollen lymph glands, enlargement of the liver and spleen, inflammation of the lungs (pleuritis), and…
Read the definitionRandom terms
Show more- Musicotherapy See: Music therapy
- Fine needle aspiration The use of a thin needle to withdraw material from the body. For example, this method is commonly used to…
- Paralysis Loss of voluntary movement (motor function). Paralysis that affects only one muscle or limb is partial…
- Q.2h On a prescription, every two hours
- Urine hemoglobin The presence of free hemoglobin in the urine, an abnormal finding, that may make the urine look dark…
- Vincent stomatitis This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Chromosome 5q- syndrome A blood disorder due to the loss of part of the long (q) arm of chromosome 5 in myeloid (bone marrow) cells…
- Dilation, pupil This examination enables your eye care professional to see more of your retina, the light-sensitive layer of…
- Genome, rice The first commercially important plant to have its genome sequenced. This feat, completed early in 2001, is…
- Amnesia, antegrade See: Antegrade amnesia
- Hydrogen cyanide See: Cyanide
- Muscular dystrophy, Becker A form of muscular dystrophy that is quite similar to Duchenne muscular dystrophy, except that patients with…