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).
Diaper rash
Diaper rash: Also called 'diaper dermatitis,' a diaper rash is a skin inflammatory reaction localized to the area usually covered by the diaper. It can have many causes including infections (yeast, bacterial or viral), friction irritation…
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Show more- Olivopontocerebellar atrophy >OPCA I (or SPA 1) -- Autosomal dominant. Onset of symptoms usually in the third or fourth decade of life…
- Birth companion See: Doula (the first meaning)
- Hepatocellular carcinoma A tumor in which the cancer starts during adulthood in cells in the liver. Also called adult primary liver…
- Pyelo Short for pyelonephritis, which is bacterial infection of the kidney. Pyelonephritis can be acute (sudden) or…
- Echinococcosis Parasitic disease caused by the larval stage of the tapeworm Echinococcus. There are three forms of…
- Dystrophy, lattice See: Lattice dystrophy
- Abdominal aorta The abdominal aorta is the final section of the aorta, the largest artery in the body. It is a continuation…
- Parainfluenza A disease due to an acute respiratory infection caused by a parainfluenza virus. Parinfluenza occurs usually…
- Catheter A thin, flexible tube. For example, a catheter placed in a vein provides a pathway for giving drugs…
- Maternal age The number of maternal deaths related to childbearing divided by the number of live births (or by the number…
- Spiral fracture A fracture, sometimes called a torsion fracture, in which a bone has been twisted apart. NTER>
- Lability The state or quality of being labile: susceptible to change, error or instability. From the Latin labilis…