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…
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Show more- Chemokine One of a large group of proteins that act as lures and were first found attracting white blood cells. The…
- Syncope, defecation The temporary loss of consciousness upon defecating (having a bowel movement). Syncope is the temporary loss…
- Yeast infection Yeast infection: Overgrowth of yeast can affect the skin (yeast rash), mouth (thrush), digestive tract…
- Gibbon, John H., Jr. American cardiovascular surgeon (1903-1973) who performed the world's first successful open-heart operation…
- Faciogenital dysplasia See: Aarskog-Scott syndrome
- Human parainfluenza virus One in a group of four RNA viruses that rank second only to respiratory syncytial virus (RSV) as a common…
- Orthopnea The inability to breathe easily unless one is sitting up straight or standing erect
- Active immunity The production of antibodies against a specific agent by the immune system. Active immunity can be acquired…
- Entero- Pinworm infection, an infection caused by a small, white intestinal worm -- the pinworm or, more formally…
- Diabetes, brittle A type of diabetes when a person's blood glucose (sugar) level often swings quickly from high to low and from…
- Extracranial Outside the cranium, the bony dome that houses and protects the brain. As opposed to intracranial, inside the…
- Cancer, Hodgkin disease (adult) Hodgkin disease (adult): A type of lymphoma (cancer of the lymphatic system). The most common symptom of…