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).
Schonlein-Henoch purpura
A form of blood vessel inflammation (vasculitis) that typically affects small arterial vessels (capillaries) in the skin, kidneys, and intestinal tract. The disease presents characteristically as a skin rash associated with joint…
Read the definitionRandom terms
Show more- JIP Juvenile intestinal polyposis. See: Juvenile polyposis
- TORCH screen Screening test for a group of infections known by the acronym TORCH which stands for Toxoplasma gondii; other…
- Incontinence, rectal Inability to hold feces in the rectum due to failure of voluntary control over the anal sphincters with…
- P. acnes See: Propionibacterium acnes
- Essential oil An oil derived from a natural substance, usually either for its healing properties or as a perfume. Some…
- Visual pathway glioma A slow-growing benign tumor of the eye
- Holoprosencephaly A relatively common birth defect of the brain, which often also affects facial features, causing closely…
- Abdominal pain Our Abdominal pain Main Article provides a comprehensive look at the who, what, when and how of Abdominal…
- Cavernous sinus syndrome A cavernous sinus thrombosis is a blood clot within the cavernous sinus, a large channel of venous blood in a…
- Hypoventilation The state in which a reduced amount of air enters the alveoli in the lungs, resulting in decreased levels of…
- Ameba Also amoeba. A single-celled (protozoan) organism that constantly changes shape. The word 'ameba' is from the…
- Beaufort wind scale A widely used wind force scale whih is a simple numerical relationship to wind speed based on an observation…