MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Antimalarial
A drug directed against malaria. The original antimalarial agent was quinine which took its name from the Peruvian Indian word 'kina' meaning 'bark of the tree.' A large and complex molecule, quinine is the most important alkaloid found in…
Read the definitionRandom terms
Show more- Lewis Thomas See: Thomas, Lewis
- Epilepsy, juvenile myoclonic A form of epilepsy that occurs between the ages of eight and 26, most commonly in the teenage years. It is…
- Urea A nitrogen-containing substance normally cleared from the blood by the kidney into the urine. Diseases that…
- Macro- (prefix) Prefix from the Greek 'makros' meaning large or long. Examples of terms involving macro- include macrobiotic…
- Porphyria A diverse group of diseases in which the production of heme is disrupted. Porphyria is derived from the Greek…
- Virus, negative-strand RNA See: Negative-strand RNA virus
- Myriad A great number, a very large number, a huge number of something. There are, for example, myriad ways in which…
- Stretch, quadriceps An exercise to stretch the quadriceps muscle, the large muscle in the front of the thigh. To do this…
- ALS6 See: Amyotrophic lateral sclerosis 6
- ACNM The American College of Nurse-Midwives. See: Nurse-midwife
- Infection, hospital-acquired An infection caught while hospitalized. The medical term for a hospital-acquired infection is 'nosocomial.'…
- Small eye Also called microphthalmia, an abnormally small eye, a congenital malformation (birth defect) of the globe…