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).
Cancer, myeloma
A bone marrow cancer involving a type of white blood cell called a plasma (or myeloma) cell. The tumor cells can form a single collection (a plasmacytoma) or many tumors (multiple myeloma). Plasma cells are part of the immune system and…
Read the definitionRandom terms
Show more- Poisoning, lead An environmental hazard capable of causing brain damage. In the US lead poisoning is formally defined as…
- Phospholipase An enzyme that catalyzes the splitting of a phospholipid molecule by the addition of water. Also called a…
- Oromandibular dystonia Oro- refers to the mouth and mandibular refers to the lower jaw. Oromandibular dystonia affects the muscles…
- Adenomatous polyposis coli, autosomal recessive See: MYH
- Cardioplegia Paralysis of the heart, as may be done electively in stopping the heart during cardiac surgery. Cardioplegia…
- Magendie, foramen of An opening from the fourth ventricle, which is one in a system of four communicating cavities called…
- Electron beam computerized tomography (EBCT) A new (and controversial) noninvasive test for the detection of coronary artery disease (CAD). EBCT, or…
- Thiamine deficiency, infantile See: Infantile beriberi
- Pseudohemophilia The original name that von Willebrand gave to the bleeding disorder he first described. See: Von Willebrand…
- Enteric-coated Coated with a material that permits transit through the stomach to the small intestine before the medication…
- Ear pit Tiny pit in front of the ear: preauricular pit. A minor anomaly of no great consequence in itself. More…
- Oral cancer Oral cancer: Cancer within the mouth.