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).
Biliary sludge
A mixture of microscopic particulate matter in bile that occurs when particles of material precipitate from bile. (Bile is the fluid that is made by the liver. It is stored in the gallbladder until after a meal when it passes out of the…
Read the definitionRandom terms
Show more- Lou Gehrig disease Amyotrophic lateral sclerosis (ALS), a classic motor neuron disease. Motor neuron diseases are progressive…
- Human T-lymphotropic virus HTLV. A retrovirus that causes adult T-cell leukemia. HTLV is endemic (constantly present) in southern Japan…
- Sympathicoblastoma A surgical procedure to effect an immediate dramatic increase in the size of the pelvic outlet to permit…
- Agranulocytosis, infantile genetic Children born with this condition lack neutrophils (a type of white blood cell that is important in fighting…
- ECoG Electrocochleography
- Membrane, epiretinal See: Macular pucker
- Systole, premature See: Extrasystole
- Entomophobia An abnormal and persistent fear of insects. Sufferers experience anxiety even though they realize that most…
- Clinical trials Clinical trials: Trials to evaluate the effectiveness and safety of medications or medical devices by…
- Ascariasis Infection with Ascaris lubricoides, the intestinal roundworm, the most common worm infection in humans…
- Fistula An abnormal passageway in the body. The fistula may go from the body surface into a blindpouch or into an…
- Orbital ridge The bony ridge beneath the eyebrow