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).
Pathogenic
Causing disease or capable of doing it. Pathogenic bacteria are disease-causing bacteria. For example, pathogenic E. coli are E. coli that are not innocuous (like most E. coli) but can make a person ill and even kill them. The word…
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Show more- Buprenorphine A prescription medication for people addicted to heroin or other opiates that acts by relieving the symptoms…
- Hematochezia Bright red blood in the stool, usually from the lower gastrointestinal tract -- the colon or rectum -- or…
- Papilla, cancer of Cancer of: Cancer of a structure called the papilla or ampulla of Vater, a small muscle located at the…
- Oscillating vision See: Oscillopsia
- Insomnia Insomnia that occurs most nights and lasts a month or more. The treatment of chronic insomnia consists of…
- Sphingomyelinase deficiency Also called Niemann-Pick disease, this is a disorder of the metabolism of a lipid (fat) called sphingomyelin…
- Manic-depression Alternating moods of abnormal highs (mania) and lows (depression). Called bipolar disease because of the…
- Raw egg Uncooked, unpasteurized egg. Salmonella enteritidis, a harmful bacterium, can be transmitted from infected…
- Juvenile polyposis An autosomal dominant disorder in which polyps develop throughout the gastrointestinal tract in the first…
- Proprioception The ability to sense stimuli arising within the body. Even if you are blindfolded, you know through…
- Valley fever A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Safer sex See: Safe sex