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).
ANA
Antinuclear antibody, an unusual antibody directed against structures within the nucleus of the cell. ANAs are found in patients whose immune system is predisposed to cause inflammation against their own body tissues. Antibodies that are…
Read the definitionRandom terms
Show more- Rhinitis, vasomotor Inflammation of the nose (rhinitis) due to abnormal neuronal (nerve) control of the blood vessels in the…
- Dacryo- A combining form denoting tears, as in dacryocyst (tear sac) and dacryocystorhinostomy (surgery to open up a…
- NvCJD New variant Creutzfeldt-Jakob disease, a human disease thought due to the same infectious agent as bovine…
- PCR (polymerase chain reaction) PCR (polymerase chain reaction): A key technique in molecular genetics that permits the analysis of any short…
- Shy-Drager syndrome A mysterious progressive disorder of the central and sympathetic nervous systems, also called multiple system…
- Field, visual The entire area that can be seen when the eye is directed forward, including that which is seen with…
- Membrane, vaginal A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is…
- Polydactyly (hexadactyly) The presence of an extra, sixth finger or toe, a very common congenital malformation (birth defect). This is…
- Cubital tunnel The opening between the two heads of a muscle through which the ulnar nerve passes at the elbow and enters…
- Cockles of the heart The ventricles of the heart. If a cup of tea or coffee warms the cockles of your heart, it gives you a…
- David-Stickler syndrome See: Stickler syndrome
- Straitjacket Or strait-jacket or strait jacket. 1. A garment shaped like a jacket with long sleeves the ends of which can…