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).
Radioactive tracer
A radioactive molecule that can be sent through the body's circulatory or urinary system, with its progress followed by a radiation-sensitive machine
Read the definitionRandom terms
Show more- Extubation The process of removing a tube from a hollow organ or passageway, often from the airway. The opposite of…
- Insufficiency, pulmonary See: Pulmonary insufficiency
- Sialidosis A form of mucolipidosis characterized by deficiency of acid alpha-N-acetyl- neuraminidase (sialidase). See…
- Juvenile polyposis syndrome See: Juvenile polyposis
- Cholangitis Inflammation of the bile duct. From cholangi-, pertaining to a bile duct + -itis, inflammation. See also…
- Osteocyte A bone cell
- Conduction system, cardiac The electrical conduction system that controls the heart rate. This system generates electrical impulses and…
- Calcipotriene A synthetic form of vitamin D3 that can be applied to the skin to treat psoriasis
- Dopamine An important neurotransmitter (messenger) in the brain. Dopamine is classified as a catecholamine (a class of…
- DKK1 A gene that inhibits the activity of osteoblasts, the cells that build bone. DKK1 acts by inhibiting Wnt…
- Gyn- Combining form pertaining to women. From the Greek gyno, gynaikos meaning woman
- Hydrocephalus, normal pressure See: Normal pressure hydrocephalus