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).
Microscopic gallstones
Gallstones: A mixture of microscopic particulate matter in bile, also called biliary sludge, 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…
Read the definitionRandom terms
Show more- Jackson Pratt drain See: JP drain
- Turner-Kieser syndrome See Nail-patella syndrome
- Trichobezoar A wad of swallowed hair. Also called a hairball. Trichobezoars can sometimes be found to cause blockage of…
- Autoclave A chamber for sterilizing with steam under pressure. The original autoclave was essentially a pressure…
- Polychlorinated biphenyls See: PCBs
- Mediastinum The area between the lungs. The organs in this area include the heart and its large veins and arteries, the…
- Heptad repeat A type of tandem repeat sequence in which a group of seven aminoacids occurs many times in a protein…
- Thrombocytopenia, heparin-induced See TAR syndrome.
- Dural Pertaining to the dura
- Ammonia A colorless gas with a very sharp odor. Made both by humans and by nature, ammonia dissolves easily in water…
- C1-C7 (cervical vertebrae) C1 through C7 are the symbols for the cervical (neck) vertebrae, the upper 7 vertebrae in the spinal column…
- Laryngeal stenosis Narrowing or constricting of the larynx, the voice box