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).
Agent, antibiotic
A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another microorganism. However, wholly synthetic antibiotics (usually…
Read the definitionRandom terms
Show more- Disease, Conor and Bruch African tick typhus, one of the tick-borne rickettsial diseases of the eastern hemisphere similar to Rocky…
- Gallus gallus genome The genome of the Red Jungle Fowl, the ancestor of domestic chickens. See: Chicken genome
- Macrobiota The living organisms (or flora and fauna) of a region that are large enough to be seen with the naked eye…
- Macular hole A hole in the macula, the tiny oval area made up of millions of nerve cells located at the center of the…
- Aspiration Removal of a sample of fluid and cells through a needle. Aspiration also refers to the accidental sucking in…
- Lues 1. Relating to syphilis, caused by it, or suffering from it. 2. A person with syphilis. From lues, an old…
- Syndrome, Gulf War See: Gulf War syndrome
- C6 (cervical vertebra) The sixth cervical (neck) vertebra from the top. The next-to-last of the seven cervical vertebrae
- Fibrositis Also known as fibromyalgia. See: Fibromyalgia
- Microphthalmia An abnormally small eye, a congenital malformation (birth defect) of the globe. The related term…
- Journal of the American Medical Association A medical journal sponsored by the National Cancer Institute (NCI), one of the National Institutes of Health…
- Pulse The rhythmic contraction and expansion of an artery due to the surge of blood from the beat of the heart. The…