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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Clostridium perfringens
A type of bacteria that is the most common agent of gas gangrene and can also cause food poisoning as well as a fulminant form of bowel disease called necrotizing colitis. Clostridium perfringens is the same as Clostridium welchii.
Read the definitionRandom terms
Show more- Alanine An amino acid, one of the 20 building blocks of protein. Alanine is not an 'essential' amino acid. It is not…
- Meningococcal vaccine Meningococcal vaccine: A vaccine to prevent meningococcal infection, including meningococcal meningitis, an…
- Anesthesiologist A physician or, less often, a dentist who is specialized in the practice of anesthesiology, the branch of…
- Vertebrae, cervical The cervical (neck) vertebrae are the upper 7 vertebrae in the spinal column (the vertebral column). They are…
- Labor Childbirth, the aptly-named experience of delivering the baby and placenta from the uterus to the vagina to…
- Diverticulitis, bleeding from Diverticular bleeding typically occurs intermittently over several days. Colonoscopy is usually performed to…
- Seizure, myoclonic See: Myoclonic seizure
- Buschke's disease See: Scleredema
- Deltoid An adjective and a noun. Adjective: In the shape of delta, the fourth letter in the Greek alphabet. A capital…
- Hematoma, epidural See: Epidural hematoma
- Attenuate To weaken, dilute, thin, reduce, weaken, diminish. The use of 'attenuate' in medicine is not new. In the 16th…
- Opportunistic condition A condition that occurs especially or exclusively in persons with a weak immune system due, for example, to…