MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Antibody, antinuclear
An unusual antibody that is directed against structures within the nucleus of the cell. Antinuclear antibodies (ANAs) are found in patients whose immune system is predisposed to cause inflammation against their own body tissues. Antibodies…
Read the definitionRandom terms
Show more- Tropical typhus See Typhus, scrub
- Severe congenital neutropenia Neutropenia: A genetic disorder of the bone marrow characterized by a lack of neutrophils, white blood cells…
- Bacille Calmette Guerin An effective immunization against tuberculosis. Commonly abbreviated BCG, it is an attenuated (weakened)…
- Ophthalmitis Inflammation of the eye. Also known as ophthalmia
- APC (medication) Aspirin, phenacetin, and caffeine (a pill containing all three)
- Lennox syndrome A severe form of epilepsy that is characterized by the onset in early childhood of frequent seizures of…
- Syndrome, Landau-Kleffner See Landau-Kleffner syndrome
- Syndrome, chromosome 4p- The 4p- syndrome or Wolf-Hirschhorn syndrome, is a chromosome disorder due to partial deletion of the short…
- Sinus barotrauma Sinus troubles, particularly with pain and a feeling of pressure, due to changing atmospheric pressures, as…
- Bone morphogenic protein 2 A protein that induces the formation of bone and cartilage. Bone morphogenic protein 2 (which is symbolized…
- Eyes, glaucoma Glaucoma: Disease (there is more than one type) characterized by increased pressure within the eye. Glaucoma…
- Syndrome, Hurler An inherited error of metabolism in which there is deficiency of the enzyme alpha-L-iduronidase which…