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).
Tear film
The liquid layer bathing the cornea and conjunctiva. It creates a perfectly smooth liquid outer layer that polishes the corneal surface, mechanically traps and flushes out foreign bodies and chemicals, contains bacteriostatic substances…
Read the definitionRandom terms
Show more- Pustulosis A highly inflammatory skin condition resulting in large fluid-filled blister-like areas (pustules)…
- DXA Dual X-ray absorptometry. A technique for scanning bone and measuring bone mineral density (BMD). A DXA…
- Jackson-Pratt drain See: JP drain
- Nucleus, arcuate See: Arcuate nucleus
- Immunosuppressive agent A medication that slows or halts immune system activity. Immunosuppressive agents may be given to prevent the…
- X-ray, PA An X-ray picture in which the beams pass from back-to-front (posteroanterior). By contrast an AP…
- Thermometer A device used to measure the temperature of gaseous, liquid or solid matter or of a chemical reaction such as…
- Thrombotic thrombocytopenic purpura (TTP) A life-threatening disease involving embolism and thrombosis (plugging) of the small blood vessels in the…
- Osteopetrosis Thickening of the bones which become abnormally dense due an inherited defect in bone resorption -- the…
- Papillomavirus, human Pregnancy-associated plasma protein A.
- Nutraceutical A food or part of a food that allegedly provides medicinal or health benefits, including the prevention and…
- Hospital code While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…