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).
Leon virus
Type 3 poliovirus. Named after the patient in California from whom this virus was first isolated. There are two other strains of poliovirus: Type 1 (known as the Brunhilde virus) and Type 2 (known as the Lansing virus). Immunity to one…
Read the definitionRandom terms
Show more- Gastroesophageal junction The junction between the stomach and the esophagus; the place where the esophagus connects to the stomach
- Syndrome, Guillain-Barre See: Guillain-Barre syndrome
- DDH (developmental dislocation of the hip) The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is…
- Insomnia Insomnia that occurs most nights and lasts a month or more. The treatment of chronic insomnia consists of…
- Syndrome X See: Metabolic syndrome
- Y. pestis Yersinia pestis, the bacteria that causes the bubonic plague which in the year 541 (as the Black Death) and…
- Ubiquitin A small but extremely important protein that acts the 'kiss of death' to other proteins. Ubiquitin consists…
- Disorder, social anxiety Excessive fear of embarrassment in social situations that is extremely intrusive and can have debilitating…
- Neoplastic Pertaining to a neoplasm or neoplasia. See those terms for more information.
- Voice box The voice box, or larynx, is the portion of the respiratory (breathing) tract containing the vocal cords…
- Belly pain Pain in the abdomen. See: Abdominal pain
- SNP A change in which a single base in the DNA differs from the usual base at that position. These single base…