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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Show more- Goldberger, Joseph American public health physician (1874-1929) who solved the puzzle of pellagra. See: Pellagra
- Lipid Another word for 'fat.' (Please see the various meanings of Fat.) A lipid is more formally defined as a…
- Headache, febrile A headache associated with fever. Because this can sometimes indicate inflammation of the brain, as in…
- Southern tick-associated rash illness A disease characterized by a rash like that in Lyme disease, recognized in the southeastern and south-central…
- Glycobiology The study of molecules that contain carbohydrates, their structure and function, and the roles they play in…
- Colon cancer and polyps Colon cancer and polyps: Benign tumors of the large intestine are called polyps. Malignant tumors of the…
- Syndrome, polycystic ovary See: Polycystic ovarian syndrome
- Joints of the body, principal >Acromioclavicular >Ankle (tibia-fibula and talus) >Atlas and axis >Atlas and occipital >Calcaneocuboid…
- Sexually transmitted disease Any disease transmitted by sexual contact; caused by microorganisms that survive on the skin or mucus…
- Cystoscope An optical instrument (a scope) that is inserted through the urethra into the bladder. A cystoscope has two…
- Evolution, biologic Biologic evolution was contrasted with cultural (social) evolution in 1968 by A.G. Motulsky who pointed out…
- LLL Acronym for the left lower lobe (of the lung). The left lung has but two lobes. The other lobe is the left…