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).
Dizygotic twin
A twins who have shared a common uterine environment with its twin but is due to a different fertilized ovum. Dizygotic twins are also called fraternal twins.
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Show more- Lenin (1870-1924) Vladimir Ilyich Lenin, the founder of the Bolshevik Party and the Soviet state. Lenin is of some…
- Organ A relatively independent part of the body that carries out one or more special functions. The organs of the…
- Fever, five-day Fever, five-day: Also called trench fever, this is a disease borne by body lice that was first recognized in…
- Heat-related illness A person with symptoms including headache, nausea, and fatigue after exposure to heat probably has some…
- Intravenous cholangiogram Feeding through a vein. Also called parenteral alimentation or parenteral nutrition.
- Catheter, central A catheter (a tube) that is passed through a vein to end up in the thoracic (chest) portion of the vena cava…
- Post-exposure prophylaxis A treatment administered following exposure to a harmful agent which attempts to block or reduce injury or…
- Vitamin O Not a true vitamin but rather a pricey health supplement that is composed largely of salt water (plus some…
- Parentectomy A slang term meaning removal of a parent (or both parents) from the child. It is of relevance to the…
- Gastric volvulus See: Volvulus
- Jealousy, delusional See: Othello syndrome
- RUQ Abbreviation for the right upper quadrant (quarter). The RUQ of the abdomen contains the liver and the…