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).
Varicose vein
A dilated (widened) tortuous (twisting) vein, usually involving a superficial vein in the leg, often associated with incompetency of the valves in the vein. These visible and bulging veins are often associated with symptoms such as tired…
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- Respiratory distress syndrome, acute Better known as ARDS. See: ARDS
- UDP-glucuronosyltransferase A liver enzyme essential to the disposal of bilirubin (the chemical that results from the normal breakdown of…
- Hepatocellular carcinoma A tumor in which the cancer starts during adulthood in cells in the liver. Also called adult primary liver…
- Aneurysm, atherosclerotic See: Atherosclerotic aneurysm
- Resect To remove. Resect and excise are not synonymous. Excise implies total removal whereas resect need not. A…
- Neonatal chloramphenicol toxicity See: Gray baby syndrome
- NIGMS Stands for the National Institute of General Medical Sciences, one of the National Institutes of Health in…
- Agreement, arbitration See: Arbitration agreement
- Continuous passive motion machine A machine used to help rehabilitate a limb (an arm or leg). The continuous passive motion (CPM) machine is…
- Fever, trench Fever, trench: A disease borne by body lice that was first recognized in the trenches of World War I, when it…
- Anovular Not accompanied by ovulation, the release of an ovum (egg) from the ovary. Synonymous with anovulatory