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).
Bacteriaphobia
An abnormal and persistent fear of germs. Sufferers from bacteriaphobia experience undue anxiety even though they realize that most germs are not pathogens (disease-causing germs). To avoid germs, they may repeat cleaning rituals, such as…
Read the definitionRandom terms
Show more- DVT (deep vein thrombosis) Blood clotting in the veins of the inner thigh or leg. In air travel, DVT is the 'economy-class syndrome.'…
- Estrogen, designer See: Designer estrogen
- Delta-storage pool disease See: Hermansky-Pudlak syndrome
- Spots, Brushfield's Speckled iris. Little white spots that slightly elevated on the surface of the iris and are arranged in a…
- Fracture Fracture: A break in bone or cartilage. Although usually the result of trauma, a fracture can be caused by an…
- Primary HIV infection The first few months after infection with HIV (the human immunodeficiency virus). During primary HIV…
- Candidemia Bloodstream infection with Candida, a yeast-like fungus. Persons at high risk for candidemia include…
- Immunization, infectious hepatitis See Immunization, hepatitis A
- Acetaminophen Our Acetaminophen Main Article provides a comprehensive look at the who, what, when and how of Acetaminophen…
- Coronary angiography The most accurate method (the 'gold standard') for evaluating and defining coronary artery disease (CAD)…
- PAH Polycyclic aromatic hydrocarbon
- Alpha particle A tiny mass of material composed of two protons and two neutrons. Alpha particles do not travel very far from…