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).
Endometrial ablation
Removal of the lining of the womb. Removing the uterine lining decreases menstrual flow or stops it completely. The endometrium is the inner layer of the uterus (womb), the uterine lining which is normally shed monthly in response to the…
Read the definitionRandom terms
Show more- Deafness, nonsyndromic A blood clot (thrombus) in a deep vein in the thigh or leg. The clot can break off as an embolus and make its…
- Pharmaco-epidemiology The study of the use of drugs in society. The process of identifying and responding to safety issues about…
- Chromatin The nucleoprotein material of chromosomes. Chromatin is essentially the substance of chromosomes. It is made…
- Prader-Willi syndrome Prader-Willi syndrome: A syndrome characterized by severe hypotonia (floppiness), poor suck and feeding…
- Imbricate Overlapping like shingles or tiles on a roof. The scales on a snake are imbricate. From the Latin imbricatus…
- Retinopathy Any disease of the retina, the light-sensitive membrane at the back of the eye. The type of retinopathy is…
- Pleural effusion, fetal See: Fetal pleural effusion
- Lightning injuries A sensation of flashing lights is created when the vitreous (the clear, jelly-like substance that fills the…
- PERV Acronym for the porcine endogenous retrovirus, a pig virus that splices into DNA. PERV belongs to the same…
- Brontophobia An abnormal and persistent fear of thunder that causes undue anxiety even though sufferers realize that…
- Nicotinic acid Deficiency of nicotinic acid (also known as niacin), one of the B-complex vitamins, causes pellagra. Pellagra…
- Gulf War syndrome A highly controversial syndrome involving a constellation of illnesses experienced by 5,000 to 80,000…