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).
Sun poisoning
1. A nonscientific term sometimes used to refer to the serious and even potentially fatal symptoms of severe sunburn and accompanying dehydration. When used in this sense, sun poisoning is a medical emergency. Symptoms of sun poisoning…
Read the definitionRandom terms
Show more- Subdural hematoma Bleeding into the space between the dura (the brain cover) and the brain itself. This space is called the…
- Disease, hand-foot-and-mouth A viral syndrome with a rash on the hands and feet and in the mouth. The internal rash (the enanthem)…
- Wilms tumor An inherited disorder in which too much copper accumulates in the body. Although the accumulation of copper…
- PMD Pelizaeus-Merzbacher disease
- Gene markers Detectable genetic traits or distinctive segments of DNA that serve as landmarks for a target gene. Markers…
- Varicosity 1. An enlarged and tortuous vein, artery, or lymphatic vessel. 2. Specifically, a varicose vein
- Blood draw Removal of blood, usually by venipuncture (phlebotomy, venous blood sampling). Blood draw is a popular term…
- Quiescence Inactivity, quietness. In cells, quiescence is the state of not dividing. In neurons (nerve cells)…
- Priapism Abnormally persistent erection of the penis in the absence of sexual desire. Priapism can occur in persons…
- Brain swelling See: Cerebral edema
- Q in population genetics The frequency of the less common of two different alternative (allelic) versions of a gene. (The frequency of…
- Score, Gleason A grading system for prostate carcinoma. See Gleason score