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).
Atlas
The atlas is the first cervical (neck) vertebra (symbol: C1). It supports the head. The atlas bone is named for the Greek god Atlas who was condemned to support the earth and its heavens on his shoulders. (Because the god Atlas often…
Read the definitionRandom terms
Show more- Catamenia Menstruation
- Gene, candidate Any gene thought likely to cause a disease. The gene may be a candidate because it is located in a particular…
- Litmus test 1. A test to determine the acidity and alkalinity of a solution. See: Litmus. 2. Figuratively, any test in…
- Rat, cotton See: Cotton rat
- Intermittent claudication An aching, crampy, tired, and sometimes burning pain in the legs that comes and goes -- it typically occurs…
- Apoptosis A form of cell death in which a programmed sequence of events leads to the elimination of cells without…
- Methadone treatment program A program for opiate addicts, usually conducted in an outpatient setting. These programs use a long-acting…
- CHD Congenital heart disease, a malformation of the heart or the large blood vessels near the heart. The term…
- Subarachnoid Literally, beneath the arachnoid, the middle of three membranes that cover the central nervous system. In…
- Disease, Castleman A disorder of lymphoid tissue (lymphadenopathy) with massive overgrowth (hyperplasia) of lymph nodes…
- Pimecrolimus Pimecrolimus: A chemical used to treat atopic dermatitis (eczema). Pimecrolimus prevents the activation of T…
- Vaccination, rubella See Immunization, MMR.