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).
MALT lymphoma
A low grade type of malignancy that arises in cells in mucosal tissue which are involved in antibody production. These lymphomas occur most often in the stomach but can also arise in the lung, thyroid, salivary glands, eye, skin or soft…
Read the definitionRandom terms
Show more- Convulsion An abnormal, involuntary contraction of the muscles most typically seen with certain seizure disorders. The…
- TSI Stands for Thyroid Stimulating Immunoglobulin. The TSI level is abnormally high in persons with…
- Strain, lumbar See: Lumbar strain.
- Methotrexate Methotrexate: A drug that acts as an antimetabolite and specifically as a folic acid antagonist that inhibits…
- Rx A medical prescription. The symbol 'Rx' is usually said to stand for the Latin word 'recipe' meaning 'to…
- Deficiency, adenosine deaminase (ADA) A genetic (inherited) condition that results in a immune deficiency disorder called severe combined…
- Acute coronary syndromes A spectrum of conditions involving chest discomfort or other symptoms caused by lack of oxygen to the heart…
- Cataplasm A poultice or plaster. A soft moist mass, often warm and medicated, that is spread over the skin to treat an…
- Heart septum The septum of the heart is the dividing wall between the right and left sides of the heart. That portion of…
- CPEO Chronic progressive external ophthalmoplegia. Slowly progressive paralysis of certain eye muscles. See also…
- Fetal dystocia Difficult labor and delivery caused by the size (too big), shape or position of the fetus. Dystocia comes…
- Multifactorial Multiple factors. Multifactorial inheritance is the type of hereditary pattern seen when there is more than…