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).
Journal of the American Medical Association
A medical journal sponsored by the National Cancer Institute (NCI), one of the National Institutes of Health (NIH), in the U.S. and published by Oxford University Press in the U.K.
Read the definitionRandom terms
Show more- Left heart hypoplasia syndrome A form of congenital heart disease in which the whole left half of the heart (including the aorta, aortic…
- Medical school, first American See: First American medical school
- Plague, Great The 'Great Plague' that swept London in 1665 was probably not really the plague but rather typhus. The plague…
- Enteric-coated Coated with a material that permits transit through the stomach to the small intestine before the medication…
- Acid reflux A common condition and an abnormal one in which acid in the stomach rises up into the esophagus. This occurs…
- Roundworm C. elegans genome See: C. elegans genome
- Cranial nerve II The second cranial is the optic nerve, the nerve that connects the eye to the brain and carries the impulses…
- Cotton rat A rodent capable of carrying the types of hantavirus that cause HPS (hantavirus pulmonary syndrome) in the…
- Seizure Seizure: Uncontrolled electrical activity in the brain, which may produce a physical convulsion, minor…
- Nausea Nausea, is the urge to vomit. It can be brought by many causes including, systemic illnesses, such as…
- Esophageal reflux A condition wherein stomach contents regurgitate or back up (reflux) into the esophagus (a long cylindrical…
- Thyroplasty A surgical technique designed to improve the voice by altering the cartilages of the larynx (the voice box)…