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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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- Lewis Thomas See: Thomas, Lewis
- Seventh cranial nerve paralysis Known as Bell's palsy, this is paralysis of the facial nerve, the nerve that supplies the facial muscles on…
- Amyotrophic lateral sclerosis 7 ALS7. A form of amyotrophic lateral sclerosis (ALS) inherited in an autosomal dominant manner due to mutation…
- Human metapneumovirus A novel virus that is a ubiquitous and important agent of respiratory disease. The human metapneumovirus…
- Iodide goiter See Iodine excess
- ND An extinct subspecies of Homo sapiens who lived in Europe and the area around the Mediterranean from 100,000…
- Pneumonia, bilateral Pneumonia in both lungs. Bilateral pulmonary inflammation. Familiarly known as double pneumonia
- PXE See pseudoxanthoma elasticum
- National Academies Collectively, the four National Academies of the United States -- the National Academy of Sciences, the…
- Conjunctival fornix The fornix of the conjunctivae refers to loose arching folds connecting the conjunctival membrane lining the…
- Arrhythmia, sinus The normal increase in heart rate that occurs during inspiration (when you breathe in). This is a natural…
- Change of life The change of life is the menopause, the time in a woman's life when menstrual periods permanently stop…