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).
Acellular vaccine
A vaccine that may contain cellular material but does not contain complete cells
Read the definitionRandom terms
Show more- NBIA Neurodegeneration with brain iron accumulation. See: Hallervorden-Spatz disease
- Hippocampus An area buried deep in the forebrain that helps regulate emotion and memory. Functionally, the hippocampus is…
- Electrophysiologic testing of the retina See: Electrophysiologic retinal testing
- Dyslipidemia A disorder of lipoprotein metabolism, including lipoprotein overproduction or deficiency. Dyslipidemias may…
- RP Retinitis pigmentosa
- Uremia The presence of excessive amounts of urea in the blood, which may be a sign of kidney disease or failure. See…
- Transplant, lung The first lung transplant was done by the American surgeon James Hardy (1918-) in 1964.
- Colorblindness, red-green A form of colorblindness in which red and green are perceived as identical. This is the most common type of…
- Heel spur A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the…
- Journal, medical, first American The first U.S. medical journal, the Medical Repository was founded in 1797 and published quarterly until…
- His-Werner disease This is a parasite (louse-borne) disease that was first recognized in the trenches of World War I and so was…
- Episclera A thin membrane that covers the sclera (the white of the eye). 'Epi-' is a prefix from the Greek that means…