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.
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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).
Macular degeneration
Macular degeneration: A disease that progressively destroys the macula, the central portion of the retina, impairing central vision. Macular degeneration rarely causes blindness because only the center of vision is affected. However…
Read the definitionRandom terms
Show more- Lycopene Lyme disease is a bacterial illness caused by a bacterium called a "spirochete." Lyme disease is spread by…
- Bradycardia A slow heart rate, usually defined as less than 60 beats per minute. The word bradycardia is logically…
- Acute otitis media Otitis media: Inflammation of the middle ear in which there is fluid in the middle ear accompanied by signs…
- Tension, intravenous The pressure of the blood within a vein, the venous pressure
- Lead-based paint Paint or other surface coatings that, by definition, contain lead in excess of 1.0 milligrams per square…
- Flavivirus A family of viruses transmitted by mosquitos and ticks that cause some important diseases, including dengue…
- CCK Cholecystokinin
- TXB2 Thromboxane B2, the inactive product of thromboxane
- Whitmore-Jewett staging system A staging system for prostate cancer. See Jewett staging system
- Rubeola (measles) Rubeola is the ordinary measles, an acute highly contagious viral disease with fever, runny nose, cough, red…
- Blackhead A familiar term for what is medically called an open comedo. A comedo, the primary sign of acne, consists of…
- Mirror, mouth See: Mouth mirror