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).
Antibiotic
A drug used to treat infections caused by bacteria and other microorganisms. Originally, an antibiotic was a substance produced by one microorganism that selectively inhibits the growth of another. Synthetic antibiotics, usually chemically…
Read the definitionRandom terms
Show more- Immunotoxin A hybrid molecule created by coupling an antibody or antigen with part or all of a toxin. The hybrid molecule…
- Cochlear implant A small complex electronic device that is surgically placed (implanted) within the inner ear to help persons…
- Angiostrongyliasis Infection with the parasitic nematode (roundworm) Angiostrongylus. The two species that infect humans are A…
- Natural menopause Menopause: Natural menopause occurs when the ovaries naturally decrease their production of the sex hormones…
- Herbicide chemical 2,4-DCP A poisonous chemical used to produce a herbicide. 2,4-DCP (short for 2,4-dichlorophenol) is employed in the…
- Drug, antibiotic A drug used to treat bacterial infections. The original definition of an antibiotic was a substance produced…
- Morphia Another name for morphine. Both morphia and morphine come from the name of Morpheus, the ancient god of sleep…
- Erythema dose The amount of radiation which, applied to the skin, makes it turn temporarily red (erythematous)
- Chronic fatigue syndrome See: Chronic myelogenous leukemia.
- Amnesia, transient global See: Transient global amnesia.
- Quinquagenarian Someone in his or her fifties. See also: Age by decade
- Diabetes, adult-onset Type 2 diabetes. See also Diabetes, type 2