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).
Cryo-electron microscopy
An electron microscopic technique that involves freezing the biological sample in order to view the sample with the least possible distortion and the fewest possible artifacts. Abbreviated as cryo-EM. In cryo-EM, the freezing of the sample…
Read the definitionRandom terms
Show more- Hypopnea Literally, underbreathing. Breathing that is shallower or slower than normal. Hypopnea is distinct from apnea…
- Syndrome, mucocutaneous lymph node A syndrome of unknown origin, mainly affecting young children. It causes fever, reddening of the eyes…
- Emery-Dreifuss muscular dystrophy See: Muscular dystrophy, Emery-Dreifuss
- Aqueduct of the midbrain A canal that communicates between the third and fourth ventricles in a system of four communicating cavities…
- Bad air Any air considered noxious. Today, air filled with tobacco smoke might be considered 'bad air.' So might air…
- Aspie Name that many people with Asperger syndrome call themselves
- Attenuate To weaken, dilute, thin, reduce, weaken, diminish. The use of 'attenuate' in medicine is not new. In the 16th…
- Interstitial Pertaining to being between things, especially between things that are normally closely spaced. The word…
- Rounds The act of seeing patients in the hospital or another in-patient setting. After doing his hospital rounds…
- Abortion In medicine, an abortion is the premature exit of the products of conception (the fetus, fetal membranes, and…
- Hypoproteinemic hypertrophic gastropathy See: Giant hypertrophic gastritis
- Hepatic transplant See: Liver transplant