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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Mg
Abbreviation for milligram, a unit of measurement of mass in the metric system equal to a thousandth of a gram. A gram is equal to the mass of one milliliter, one thousandth of a liter, of water at 4 degrees C. MG (in capital letters) is…
Read the definitionRandom terms
Show more- Proportional counter A device for measuring radioactivity. More technically, a proportional counter counts the emission of…
- Chromosome disorder An abnormal condition due to an abnormality of the chromosomes. For example, Down syndrome (the genetic…
- Fart This is not an accepted medical word for passing gas. Excess gas in the intestinal is medically termed…
- Olfactory bulb A key part of the olfactory apparatus consisting of a bulbous enlargement of the end of the olfactory nerve…
- Diverticulum, Meckel's An outpouching of the small bowel. About 1 in every 50 people has a Meckel's diverticulum. It is usually…
- Juvenile polyposis coli See: Juvenile polyposis
- Blood glucose The main sugar that the body makes from the food in the diet. Glucose is carried through the bloodstream to…
- Munchhausen syndrome (This is an alternate entry to Munchhausen syndrome. Münchhausen has an umlaut over the u but it is sometimes…
- Deficiency, vitamin K A lack of vitamin K resulting in an increase in the clotting time of the blood, impaired clotting and a…
- Forensic anthropology The application of the science of physical anthropology to the legal process. Forensic anthropology includes…
- Prepuce, inflammation of the Inflammation of the prepuce (the foreskin of the penis) is called posthitis. In the uncircumcised male…
- Vaccination, varicella A live attenuated (weakened) viral vaccine that is recommended for people traveling to or living in tropical…