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).
A1C
A test that measures how much glucose has been sticking during the past 3-4 months to hemoglobin, the substance in the red blood cells that carries oxygen to the cells of the body. The A1C test is important in diabetes as a long-term…
Read the definitionRandom terms
Show more- Histiocytosis, sinus A variant of histiocytosis in which the lymph nodes are the main site of histiocyte proliferation. The…
- Synaptic cleft The tiny space between two nerve cells across which the neurotransmitter acetylcholine diffuses
- Actinic keratosis Our Actinic keratosis Main Article provides a comprehensive look at the who, what, when and how of Actinic…
- Azotemia A higher than normal blood level of urea or other nitrogen containing compounds in the blood. The hallmark…
- Pneumothorax Pneumothorax: Free air in the chest outside the lung. Pneumothorax can occur spontaneously ('out of the…
- Ecstasy 1. A state of rapture and trancelike elation.2. A street name for 3-4 methylenedioxymethamphetamine (MDMA)…
- Urachus A canal connecting the bladder of the fetus with the allantois, a structure that contributes to the formation…
- WPW syndrome Abbreviation for the Wolff-Parkinson-White syndrome, a condition caused by an abnormality in the electrical…
- Proposita A female through whom a family medically comes to light (is first ascertained). Also called the proband or…
- Cholangiography Radiographic examination of the bile ducts with contrast medium. The contrast medium may be administered…
- Red jungle fowl genome The genome of Gallus gallus, the ancestor of domestic chickens. See: Chicken genome
- Tattoos & permanent makeup The intradermal application of inks for the purpose of tattooing or permanent makeup (also known as…