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).
Enanthem
A rash inside the body. An example: the spots in measles (Koplik's spots) inside the mouth that look like a tiny grains of white sand surrounded by a red ring. By contrast, a rash on the outside of the body is called an exanthem. A patient…
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Show more- Endocrinopathy Literally, a disease of an endocrine gland. A medical term for a hormone problem. For example…
- Bone marrow transplant A procedure in which bone marrow that is diseased or damaged is replaced with healthy bone marrow. The bone…
- Amniotic sac Popularly and more commonly known as the bag of waters. See: Bag of waters
- Thermometer A device used to measure the temperature of gaseous, liquid or solid matter or of a chemical reaction such as…
- Vaginal membrane A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is…
- Sherlock, Sheila British physician (1918-2001) who pioneered the study of the liver (hepatology). She made liver biopsy a…
- Base of tongue The back third of the tongue. In contrast to the anterior tongue, which is the front two-thirds of the…
- Repetitive DNA DNA sequences that are repeated in the genome. These sequences do not code for protein. One class termed…
- Panencephalitis, subacute sclerosing (SSPE) A chronic brain disease of children and adolescents that occurs months to often years after an attack of…
- Takayasu disease Takayasu disease: A chronic inflammatory disease of the aorta and its branch arteries. The cause is unknown…
- Coenzyme A substance that enhances the action of an enzyme. (An enzyme is a protein that functions as a catalyst to…
- BSA In medicine, not the Boy Scouts of America but the body surface area