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).
E. coli
Short for Escherichia coli, the colon bacillus, a bacterium that normally resides in the human colon. E. coli has been studied intensively in genetics and molecular and cell biology because of its availability, its small genome size, its…
Read the definitionRandom terms
Show more- Fear of birds An abnormal and persistent fear of birds. Sufferers of this fear experience undue anxiety about encountering…
- Danders See: Dander
- Disorder, mathematics A condition characterized by math skills that are significantly below normal, given the person's age…
- Dyspepsia Dyspepsia: Dyspepsia refers to a condition (disease) in which there are upper abdominal symptoms which may…
- Thoracotomy An operation to open the chest
- Choroiditis An inflammation of the layer of the eye behind the retina, either in its entirely (multifocal choroiditis) or…
- Syndrome, Johnson-Stevens See: Stevens-Johnson syndrome.
- Cholera genome The genome of the bacterium called Vibrio cholerae that causes cholera. This genome contains over 4 million…
- Velvet ant sting Common in most parts of the world including the Southern and Southwestern United States, velvet ants are not…
- PINK1 Also called conjunctivitis. Redness or irritation of the conjunctivae, the membranes on the inner part of the…
- Drug, generic >The chemical name of a drug. >A term referring to the chemical makeup of a drug rather than to the…
- Wrinkling, retinal See: Macular pucker