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).
Aristotle
Aristotle of Stagira (384-322 B.C.), Greek philosopher and scientist. The son of a physician, Aristotle was a student of Plato but developed methods of inquiry different from those of his teacher. Unlike Plato, Aristotle felt that one…
Read the definitionRandom terms
Show more- Erection, penile When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Glenohumeral dislocation See: Shoulder dislocation
- D-IBS Diarrhea-predominant IBS (irritable bowel syndrome)
- Rigour See: Rigor
- Orthologous gene 1. A term coined by the chemist Linus Pauling who defined it as "the preservation of good health and the…
- Hormone, thyroxine A chemical substance made by the thyroid gland The thyroid gland uses iodine to make thyroid hormones…
- Silicatosis See: Silicosis
- F (coefficient of inbreeding) F is the symbol for the coefficient of inbreeding, a way of gauging how close two people are genetically to…
- Vaccine, Sabin The oral polio vaccine (OPV) developed by the Polish-born American microbiologist Albert B. Sabin (1906-93)
- Cancer, stomach Cancer of the stomach, the main organ that holds food for digestion. Worldwide, stomach cancer is the second…
- Colostrum A sticky white or yellow fluid secreted by the breasts during the second half of pregnancy and for a few days…
- Targeted radiation therapy A procedure that uses computers to create a 3-dimensional picture of the tumor in order to target the tumor…