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).
Two-faced twins
Twin: Known medically as diprosopus, two-faced twins are conjoined twins (incompletely separated identical twins). The twins have almost complete fusion of their bodies with one set of limbs. Part or all of the face is duplicated. The…
Read the definitionRandom terms
Show more- Morphea Skin changes that are localized to one or more patchy areas of skin that become hardened, dry, smooth and…
- Withdrawal, penis A method of contraception, also called coitus interruptus, in which the man withdraws his penis from the…
- Fatty acids Molecules that are long chains of lipid-carboxylic acid found in fats and oils and in cell membranes as a…
- Musculoskeletal and Skin Diseases, Nat'l Institute F Arthritis and (NIAMS): One of the National Institutes of Health in the U.S. As its somewhat cumbersome name…
- Cholecystitis Inflammation of the gallbladder, a complication of gallstones which are formed by cholesterol and pigment…
- Spur, heel A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the…
- Aortic dissection Aortic dissection: A progressive tear in the aorta. The inner lining (intima) of the aorta tears and blood…
- Pollices The thumbs. The plural of pollex. See: Pollex
- Ferroniere A jewel held to the forehead by a chain worn by women in France and Italy in the 16th century to hide the…
- Juvenile laryngeal papillomatosis Juvenile laryngeal papillomatosis involves the growth of numerous warty growths on the vocal cords in…
- Percutaneous transhepatic cholangiography PTCA. The use of a balloon-tipped catheter to enlarge a narrowed artery.
- Macular Pertaining to the macula. A macula is a small spot. A macula on the skin is a small flat spot while the…