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.
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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- Allergic reaction The hypersensitive response of the immune system of an allergic individual to a substance. When an allergen…
- Lab Short for a laboratory (or a Labrador retriever)
- ThinPrep Pap test A modified Pap test technique designed to reduce some of the technical problems inherent in the traditional…
- PYY A hormone concerned with hunger and the lack of hunger (satiety). Soon after eating, PYY is secreted into the…
- Kindred An extended family or clan, a group of related individuals. The term 'kindred' is used in population studies…
- CDNA Complementary DNA. cDNA is single-stranded DNA made in the laboratory from a messenger RNA template under the…
- Anti-cyclic citrullinated peptide antibody See: Citrulline antibody
- Rate, sed A sedimentation rate, or 'sed rate', is a blood test that detects and is used to monitor inflammation…
- Snake antivenom See: Snake antivenin. Other spellings: Snake antivenin
- Aneurysm, abdominal An aneurysm situated within the abdomen (belly). An aneurysm is a localized widening (dilatation) of an…
- ARS Acute radiation syndrome
- Fear of nudity An abnormal and persistent fear of nudity is called gymnophobia. Sufferers of this phobia experience undue…