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
Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, warmth, swelling, redness and pain. There are over 100 types of arthritis. (see osteoarthritis, rheumatoid arthritis, ankylosing spondylitis…
Read the definitionRandom terms
Show more- Employment Retirement Income Security Act See: ERISA
- Senility 1. Originally, old age. 2. The physical decline associated with old age. 3. The mental decline once…
- Fatty acid, trans An unhealthy substance, also known as trans fat, made through the chemical process of hydrogenation of oils…
- Uridine monophosphate (UMP) A molecular ion derived from uridylic acid. It has a uracil as its base
- McArdle's disease See: McArdle disease
- Smallpox vaccination adverse reaction An adverse event occurring after smallpox vaccination (vaccinia). Smallpox vaccination is a relatively safe…
- Backbone The spine. A flexible row of bones stretching from the base of the skull to the tailbone
- Med1 DNA repair gene A gene that codes for one of the key enzymes involved in repairing DNA. The DNA in genes is constantly…
- Polyphenol A kind of chemical that (at least in theory) may protect against some common health problems and possibly…
- Allergic vasculitis Vasculitis: A disease (also more commonly called the Churg-Straus syndrome) characterized by inflammation of…
- Twilight sleep Sleep: A term applied to the combination of analgesia (pain relief) and amnesia (loss of memory) produced by…
- Occam's razor The principle of scientific or, in medicine, diagnostic parsimony or 'unitarianism.' In medicine, a clinician…