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).
Vitamin C
An essential nutrient found mainly in fruits and vegetables. The body requires vitamin C to form and maintain bones, blood vessels, and skin. Like other vitamins, vitamin C is an organic compound. An organic compound is a substance that…
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Show more- Argentaffinoma A tumor which secretes large amounts of the hormone serotonin. Argentaffinoma is also called carcinoid tumor…
- Balloon tamponade A procedure in which a balloon is inflated within the esophagus or stomach to apply pressure on bleeding…
- Line, single transverse palmar See: Simian crease
- Hematopoiesis The production of all types of blood cells generated by a remarkable self-regulated system that is responsive…
- Hyperplasia A condition in which there is an increase in the number of normal cells in a tissue or organ
- Prognosis 1. The expected course of a disease.2. The patient's chance of recovery. The prognosis predicts the outcome…
- Sight, day Night blindness. Listed in medical dictionaries under 'Nyctalopia' from the Greek 'nyct' (night) + 'aloas'…
- Passive smoking The inhaling of environmental tobacco smoke (ETS) by someone who is not smoking. See: ETS
- Centenarian Someone who is 100 or more years old. Someone 110 years old and over (no upper limit) may also be referred to…
- Anisometropia The condition in which the two eyes have an unequal refractive power. One eye may be myopic (nearsighted) and…
- Euphenics Literally meaning 'normal appearing,' euphenics aims to improve the outcome of a genetic disease by altering…
- Patellar Pertaining to the patella, the kneecap by another name, the familiar small bone planted in the front of the…