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).
URI
Commonly used abbreviation for Upper Respiratory Infection, an infection in the respiratory tract shy of the lungs. (Do not confuse a URI with a UTI which stands for Urinary Tract Infection). A URI can be due to a large number of different…
Read the definitionRandom terms
Show more- LL 1. Lower lid (of the eye). 2. Lower limit. The recommended LL for potassium intake is 4.7 grams per day for…
- Sweat test A simple test that is used to evaluate a patient who is suspected of having cystic fibrosis (CF). The goal of…
- Disease Illness or sickness often characterized by typical patient problems (symptoms) and physical findings (signs)…
- Nurse, registered A nurse who has completed a two- to four-year degree program in nursing, and provides direct patient care for…
- Lethargy 1. Abnormal drowsiness, stupor. 2. A state of indifference.From the Greek lethargia, drowsiness
- Syndrome, Frey Sweating on one side of the forehead, face, scalp, and neck occurring soon after ingesting food as a result…
- Vaccinia adverse reaction See Smallpox vaccination adverse reaction
- Heat cramps Heat cramps: Painful muscle spasms in the abdomen, arms, or legs following strenuous activity. The skin is…
- GPO GPO stands for various things (such as the Government Printing Office) but in a healthcare context (and many…
- Arteriole A small branch of an artery (a vessel that carries blood high in oxygen away from the heart to the body)…
- Fever, splenic Known also as anthrax, splenic fever is a serious bacterial infection. It is not primarily a human disease…
- Electrolarynx A battery-operated instrument that makes a humming sound to help people who have lost their larynx to talk