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).
Hydrogen cyanide
See: Cyanide
Read the definitionRandom terms
Show more- Gibbon heart-lung machine The first heart-lung machine. Named for the American physician John H. Gibbon who built it in 1937. This…
- Penicillin Penicillin: The most famous of all antibiotics, named for the fungal mold Penicillium notatum from which it…
- Posture, static See: Static posture
- L- Abbreviation for levorotatory, applied to a chemical compound, as in l-dopa. Levorotary is opposed to…
- Plague Plague: The plague is an infectious disease due to a bacteria called Yersinia pestis. Y. pestis mainly…
- Blindness, night Impaired vision in dim light and in the dark, due to impaired function of specific vision cells (namely, the…
- Predispose To make more likely or render susceptible. Smoking predisposes to a number of diseases, including esophageal…
- Transplant, renal Replacement of a diseased, damaged, or missing kidney with a donor kidney. Also called a kidney transplant…
- Epidermis The upper or outer layer of the two main layers of cells that make up the skin. The epidermis is mostly made…
- Mask, oxygen A mask that covers the mouth and nose, and is hooked up to an oxygen tank. It delivers oxygen directly to the…
- Nadir The lowest point as, for example, the lowest blood count after chemotherapy, the lowest concentration of a…
- Sign, Lhermitte Sudden transient electric-like shocks extending down the spine triggered by flexing the head forward. Due to…