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).
Hepatitis A
Inflammation of the liver caused by the hepatitis A virus (HAV). HAV is usually transmitted from person to person by food or drink that has been contaminated with the stool of a person with hepatitis A. This type of transmission is called…
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Show more- Intensity modulated radiation therapy IMRT. A type of three-dimensional radiation therapy that uses computer-generated images to match radiation to…
- Response, Babinski A neurologic reflex that constitutes an important medical examination based, believe it or not, upon what the…
- Protein kinase A An enzyme system that is activated by cyclic adenosine monophosphate (cAMP) and that catalyzes the activity…
- Takayasu arteritis Inflammation of aorta and its branches. See: Takayasu disease
- Myasthenia gravis Prefix that denotes a relationship to fungus. From the Greek mykes, meaning fungus.
- Rosary pea See: Abrin
- Infantile spasms A seizure disorder of infancy and early childhood with the onset predominantly in the first year of life of…
- Library of Medicine, National (NLM) The world's largest medical library, the U.S. National Library of Medicine (NLM) is part of the National…
- Valsalva, Antonio Maria Italian anatomist and pathologist, physician and surgeon (1666-1723), perhaps best known for the Valsalva…
- Watson, James American biologist (1928-) who, with Francis Crick and Maurice Wilkins, shared the 1962 Nobel prize in…
- Labor support professional See: Doula (the first meaning)
- Conventional medicine Medicine as practiced by holders of M.D. (medical doctor) or D.O. (doctor of osteopathy) degrees and by their…