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).
Motion sickness
Motion sickness: Motion sickness is a very common disturbance of the inner ear that is caused by repeated motion such as from the swell of the sea, the movement of a car, the motion of a plane in turbulent air, etc. In the inner ear (which…
Read the definitionRandom terms
Show more- Hysterectomy, subtotal The uterus is surgically removed but the cervix is left is left in place. Also called a partial hysterectomy
- Marijuana Marijuana: A very common street and recreational drug that comes from the marijuana plant. The plant that…
- Hughlings Jackson See: Hughlings Jackson, John
- Diabetic xanthoma See: Eruptive xanthoma
- Gene, evolutionarily conserved A gene that has remained essentially unchanged throughout evolution. Conservation of a gene indicates that it…
- Selenosis Selenium poisoning. Selenium posioning may be acute (short-term) or chronic (long-term). The effects of acute…
- Ear, inner There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The inner…
- Hamstring The prominent tendons at the back of the knee. They are the sidewalls of the hollow behind the knee. (This…
- Arborvirus What's in a name? Although 'arbor' sounds as if it should have something to do with trees, it doesn't. It…
- Gefitinib Gefitinib: A drug that attaches to the epidermal growth factor receptor (EGFR) on the surfaces of cells. The…
- Hemolytic jaundice, congenital Jaundice, congenital: Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red…
- Vitamin P An old name for substances now known as bioflavinoids. They are no longer considered to be vitamins by the…