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).
AN
The military designation for hydrogen cyanide. See: Cyanide
Read the definitionRandom terms
Show more- Boil A skin abscess, a collection of pus localized deep in the skin. A boil usually starts as a reddened, tender…
- Myositis Inflammation of muscle tissue. There are many causes of myositis, including injury, medications, and diseases
- Cutaneous syndactyly A condition in which fingers or toes are joined together, and the joining involves only the skin, not the…
- Short arm of a chromosome The short arm of a human chromosome is symbolized by convention as 'p'. The 'p' comes from the French 'petit'…
- Neophobia Fear of anything new, of innovation, an irrational fear of new situations, places, or things. In animal…
- Totipotent Having unlimited capability. A totipotent cell has the capacity to form an entire organism. Human development…
- Infection, hospital-acquired An infection caught while hospitalized. The medical term for a hospital-acquired infection is 'nosocomial.'…
- Bi- Prefix meaning two, as in biceps or bicuspid
- Urinary infection in children See: Urinary tract infection in children
- Focal sclerosis See: Multiple sclerosis
- Blood transfusion Ding=0 width='100%' border=0> ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%'…
- Infant water requirements Water is an important part of a baby's diet because water makes up a large proportion of the baby's body…