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).
Angioplasty
Procedure with a balloon-tipped catheter to enlarge a narrowing in a coronary artery. Also called Percutaneous Transluminal Coronary Angioplasty (PTCA).
Read the definitionRandom terms
Show more- Dura mater Literally, hard mother (in Latin). The outermost, toughest, and most fibrous of the three membranes…
- Major depression A disease with certain characteristic signs and symptoms that interferes with the ability to work, sleep…
- Perfluorinated acid A type of chemical that repels water and oil and is resistant to heat and chemical stress. Perfluorooctanoic…
- Medication 1. A drug or medicine. 2. The administration of a drug or medicine. (Note that 'medication' does not have the…
- Drug, antimicrobial A drug used to treat a microbial infection. The term 'antimicrobial' is a general one that refers to a group…
- Cerebrospinal fluid CSF. A watery fluid, continuously produced and absorbed, which flows in the ventricles (cavities) within the…
- Genome, cholera See: Cholera genome
- Drug test An examination of biologic material (such as urine, hair, saliva, or sweat) to detect the presence of…
- Floppy baby syndrome A general medical reference to an abnormal condition of newborns and infants manifested by inadequate tone of…
- Common acute lymphocytic leukemia antigen (CALLA) A cell surface enzyme with neutral metalloendopeptidase activity that serves as a marker for the…
- Reflex, patellar See: Knee jerk
- Operation, Blalock-Taussig A pioneering heart operation named after the American surgeon Alfred Blalock (1899-1964) and the pediatric…