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).
Embolism, paradoxical
Passage of a clot (thrombus) from a vein to an artery. When clots in veins break off (embolize) , they travel first to the right side of the heart and, normally, then to the lungs where they lodge. The lungs act as a filter to prevent the…
Read the definitionRandom terms
Show more- Typhus, Queensland tick See: Queensland tick typhus
- Jequirity pea See: Abrin
- Hydrocephalus, acquired Hydrocephalus due to a postnatal cause, something that happened sometime after birth
- Helicobacter heilmannii A bacteria that infects most cats, dogs and pigs and, in them, causes stomach inflammation (gastritis). H…
- Developmental delay Behind schedule in reaching milestones of early childhood development.
- Cholangiogram A radiologic procedure used to look at the gallbladder and bile ducts. See also: Intravenous cholangiogram.
- Mitochondrial cytopathy, Kearns-Sayre type See: Kearns-Sayre syndrome
- Ectopic In the wrong place. Out of place. An ectopic kidney, for example, is one that is not in the usual location…
- Trochlear nerve The trochlear nerve controls the superior oblique muscle of the eye, one of the extraocular muscles, the…
- McArdle's disease See: McArdle disease
- Psoriasis, inverse Also called flexural psoriasis, a form of psoriasis found in the armpits, groin, under the breasts and in…
- Tick fever See: Rocky Mountain spotted fever