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).
Aneurysm, dissecting
An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart. At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture. The word 'aneurysm' comes from the Greek 'aneurysma'…
Read the definitionRandom terms
Show more- Liver of pregnancy, acute fatty Liver failure in late pregnancy, usually from unknown cause. Acute fatty liver of pregnancy (AFLP) typically…
- Transaminase clinical usage Two of the better known enzymes in the transaminase class are serum glutamic oxaloacetic transaminase (SGOT)…
- Meningitis, Kernig sign of This clinical hallmark of meningitis, inflammation of the meninges, the membranes covering the brain and…
- Radiology The branch of medicine that uses ionizing and nonionizing radiation for the diagnosis and treatment of…
- Urinary incontinence Urinary incontinence: The unintentional loss of urine. Inability to hold urine in the bladder due to loss of…
- Bifid uvula The uvula, the little V-shaped fleshy mass hanging from the back of the soft palate, is cleft or split. Cleft…
- Fish-odor syndrome An inborn error of metabolism associated with an offensive body odor, the smell of rotting fish, due to the…
- Abortion, recurrent The occurrence of 3 or more miscarriages (which are medically termed 'spontaneous abortions') with no…
- Xanthopsia A form of chromatopsia, a visual defect in which objects appear as if they have been overpainted with an…
- Neurosis, hypochondriacal See: Hypochondriasis
- Beryllium A toxic metal found in ores containing other elements that is used in making metal alloys for nuclear…
- Recent memory Short-term memory. Also called working memory. Recent memory is a system for temporarily storing and managing…