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).
Roux-en-Y gastric bypass
Roux-en-Y gastric bypass: A surgical procedure which may be done for severe obesity. The procedure involves cutting the stomach in two to create a pouch out of the smaller proximal (near) portion of the stomach, attaching it to the small…
Read the definitionRandom terms
Show more- X-ray, lateral An X-ray picture taken from the side
- Felty syndrome A complication of long-standing rheumatoid arthritis characterized by the presence of 3 conditions --…
- JAMA The Journal of the American Medical Association. JAMA began publication in 1883. It now bills itself as 'the…
- Synovial fluid The slippery fluid that lubricates joints and provides nutrients to the cartilage. Also known as the synovia
- Biotherapy Treatment to stimulate or restore the ability of the immune (defense) system to fight infection and disease…
- Hysterectomy, partial The uterus is surgically removed but the cervix is left is left in place. Also called a subtotal hysterectomy
- Respiration 1. The act of inhaling and exhaling air in order to exchange oxygen for carbon dioxide. Synonymous with…
- Commotio cordis Sudden cardiac arrest from a blunt, nonpenetrating blow to the chest. The basis of the cardiac arrest is…
- Pauling, Linus The alpha helix, the structure of most proteins, discovered by Linus Pauling and Robert Corey. See: Alpha…
- Spontaneous abortion A miscarriage, that is, any pregnancy that is not viable (the fetus cannot survive) or in which the fetus is…
- Health physics The science of human health and radiation exposure. Health physics, also called medical physics, is devoted…
- Map, cytogenetic A genetic term referring to the visual appearance of a chromosome when stained and examined under a…