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).
Pneumonic plague
Infection of the lungs by Yersina pestis, the bacterial agent that causes the plague, a disease of animals (rodents and their fleas) and humans. The first signs of the pneumonic plague are fever, headache, weakness, and cough productive of…
Read the definitionRandom terms
Show more- Cancer Institute, National The National Cancer Institute (NCI) is one of the National Institutes of Health (NIH) in the U.S. The mission…
- Non-insulin-dependent diabetes Type 2 diabetes. See also Diabetes, type 2.
- Center, trauma A specialized facility in a hospital that is designed to provide diagnostic and treatment services for trauma…
- SCYA2 Small inducible cytokine A2. See: MPC1
- Lederberg See: Lederberg, Joshua
- Reflex, patellar See: Knee jerk
- Mass spectrometry An instrument used to identify chemicals in a substance by their mass and charge. Mass spectrometers are…
- Self, fear of An irrational fear of oneself, an intense self-fear that is groundless. Fear of oneself is termed…
- Mitochondria Normal structures responsible for energy production in cells. Mitochondria are located in the cytoplasm…
- Colorectal polyp A polyp (a fleshy growth) on the inside lining of the colon or rectum. For more information, see: Colon polyp
- Klippel-Trenaunay-Weber (KTW) syndrome A congenital malformation syndrome characterized by the triad of asymmetric limb hypertrophy, hemangiomata…
- Mouth, dry See: Dry mouth