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).
Gibbon, John H., Jr.
American cardiovascular surgeon (1903-1973) who performed the world's first successful open-heart operation using a heart-lung machine that totally bypassed the heart. Research and work with cats and dogs prepared the heart-lung machine…
Read the definitionRandom terms
Show more- Informatics The application of computers and statistics to the management of information. For example, in the Human…
- Ankle twist See: Ankle sprain
- Trench mouth A progressive painful infection of the mouth and throat with ulceration, swelling and sloughing off of dead…
- Syndrome, fragile X The most common heritable form of mental retardation, occurring in about one in two thousand males and a…
- Poisoning, carbon monoxide See: Carbon monoxide poisoning
- Myopathy, mitochondrial Nearsightedness, the ability to see close objects more clearly than distant objects. Myopia can be caused by…
- Breast development, early The beginning of breast development at puberty is known medically as thelarche. It is now a normal event at…
- Multipara, grand The term 'multipara' applies to any woman who has given birth 2 or more times. A woman who has given birth 5…
- Genome Research Institute, National Human RI): One of the newest of the National Institutes of Health (NIH), NHGRI's mission in formal terms is to…
- Ba The symbol for barium
- Guillain-Barre syndrome See: Guillain-Barré syndrome.
- Asian cholera A devastating and sometimes lethal disease with intense vomiting and profuse watery diarrhea was discovered…