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).
Encephalitis, West Nile
A febrile disease caused by the West Nile virus that is transmitted from birds to the common Culex mosquito and then to people. The virus is named after the area it was first found in Uganda. West Nile fever occurs in parts of Africa and…
Read the definitionRandom terms
Show more- Fetal dystocia Difficult labor and delivery caused by the size (too big), shape or position of the fetus. Dystocia comes…
- Thermometer, ear A thermometer that registers body temperature via the ear canal. The ear thermometer was invented in 1964 by…
- Death rate, infant The number of children dying under a year of age divided by the number of live births that year. The infant…
- Pyloric stenosis Narrowing (stenosis) of the outlet of the stomach so that food cannot pass easily from it into the duodenum…
- Female external genitalia The external genital organs of the female, comprising the pudendum, clitoris, and female urethra
- Micro- Prefix derived from the Greek 'mikros' meaning small. Examples of the many biomedical terms containing…
- Childbirth assistant See: Doula (the first meaning)
- Prescription abbreviations A prescription, as is well known, is a physician's order for the preparation and administration of a drug or…
- Plexus, brachial See: Brachial plexus
- Bright's disease Chronic inflammation of the blood vessels in the kidney with protein, specifically albumin, in the urine…
- BLAST Abbreviation for Basic Local Alignment Search Tool, a computer program that identifies homologous genes in…
- Organic brain syndrome Psychiatric or neurological symptoms, including problems with attention, concentration, and memory…