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).
Artificial pacemaker
A device that uses electrical impulses to regulate the heart rhythm or to reproduce that rhythm. An internal pacemaker is one in which the electrodes into the heart, the electronic circuitry and the power supply are implanted (internally)…
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Show more- Ulcer, gastric A hole in the lining of the stomach corroded by the acidic digestive juices which are secreted by the stomach…
- Aortic Pertaining to the aorta, the largest artery in the body. 'Aortic' is in common usage as, for example, in an…
- Gtt. Abbreviation meaning drops (from the Latin 'guttae', drops). One of a number of hallowed abbreviations of…
- Radical neck dissection A surgical procedure involving the removal of a tumor from the neck with an additional margin of normal…
- Reflex sympathetic dystrophy (RSD) A condition characterized by diffuse pain, swelling and limitation of movement that follows an injury such as…
- Syndemic A set of linked health problems involving two or more afflictions, interacting synergistically, and…
- Fear of self An irrational fear of oneself, an intense self-fear that is groundless. Fear of oneself is termed…
- Lipoid nephrosis The earliest stage of nephrosis (the nephrotic syndrome of childhood). See: Minimal change disease. See also…
- Aneurysm, renal An aneurysm involving the kidney. An aneurysm is a localized widening (dilatation) of an artery, vein, or the…
- Hunter syndrome A genetic metabolic disorder that arises from deficiency of the enzyme iduronate sulfatase, resulting in…
- Aging The process of becoming older, a process that is genetically determined and environmentally modulated…
- Donald Fredrickson See: Fredrickson, Donald