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).
ARS
Acute radiation syndrome
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Show more- Abdominal aneurysm An aneurysm situated within the abdomen (belly). An aneurysm is a localized widening (dilatation) of an…
- Endometrial ablation Removal of the lining of the womb. Removing the uterine lining decreases menstrual flow or stops it…
- Arrayed library In genetics, an arrayed library consists of (in technical terms) individual primary recombinant clones which…
- Munchausen syndrome (This is an alternate entry to Munchhausen syndrome with two h's in Munchhausen. Whole medical reports have…
- Amalgam In dentistry, an alloy of mercury, silver, tin, etc. used in dental restorations
- Hypnagogic Concerning the drowsiness one commonly feels before sleep, the transitional state preceding sleep, and also…
- Oculocutaneous albinism See: Albinism, oculocutaneous
- Greenstick fracture A fracture in which one side of a bone is broken while the other is bent (like a green stick). NTER>
- Typhus, African tick One of the tick-borne rickettsial diseases of the eastern hemisphere, similar to Rocky Mountain spotted…
- Rumination 1. Regurgitating food after a meal and then swallowing and digesting some of it. Cattle and other ruminant…
- Enzyme, lysosomal An enzyme in an organelle (a little organ) called the lysosome within the cell. Lysosomal enzymes degrade…
- Arsine A colorless highly toxic gas. Arsine has a garlic-like or fishy odor. Because arsine is nonirritating and…