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).
Fluoride
A compound of fluorine with another element or radical. Fluoride compounds are present in drinking water and some foods. Fluoride ions replace hydroxyl ions in hydroxyapatite in teeth, forming fluorapatite, which leads to fewer cavities…
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Show more- Arcuate neuron A neuron in the arcuate nucleus of the brain. See: Arcuate nucleus
- Aortic aneurysm An outpouching (a local widening) of the largest artery in the body, the aorta, involving that vessel in its…
- Cranial nerve, eleventh The eleventh cranial nerve is the accessory nerve. The twelve cranial nerves, the accessory nerve included…
- Molars Molars are the large teeth at the back of the mouth.
- Discordant couple A pair of long-term sexual partners in which one has a sexually transmitted infection and the other does not…
- ATSDR The Agency for Toxic Substances and Disease Registry, a part of the U.S. Department of Health and Human…
- Dobelle See: Dobelle, William
- Infant in swaddling The symbol of pediatrics and child health. Also known as the della Robbia or the bambino. The infant in…
- Arteries, coronary The vessels that supply the heart muscle with blood rich in oxygen. They are called the coronary arteries…
- Velocardiofacial syndrome A congenital malformation syndrome characterized by cleft palate, heart defects, abnormal facial structure…
- Phenolphthalein A compound used as a laboratory reagent and acid-base indicator and also used in over-the-counter (OTC)…
- Exanthem subitum Means a sudden rash. A viral disease of infants and young children with sudden onset of high fever which…