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).
Fibrillation, auricular
Essentially the same as atrial fibrillation
Read the definitionRandom terms
Show more- MCAD Abbreviation for medium-chain acyl-CoA dehydrogenase. See: MCAD deficiency
- Paralysis Loss of voluntary movement (motor function). Paralysis that affects only one muscle or limb is partial…
- Celiac disease Celiac disease: A disorder resulting from an immune reaction to gluten, a protein found in wheat and related…
- Autoimmune thyroiditis See: Hashimoto thyroiditis
- Pregnancy, extrauterine A pregnancy that is not in the usual place and is located outside the inner lining of the uterus. A…
- Penis, inflammation of the head of the Inflammation of the rounded head (the glans) of the penis is called balanitis. In the uncircumcised male…
- Acaricide An agent, usually a chemical, that kills mites. This class of pesticides is large and includes antibiotic…
- Vasomotor Relating to the nerves and muscles that cause the blood vessels to constrict or dilate
- Vitamin therapy The use of vitamins to prevent or cure disease. Many physicians are now recognizing the beneficial uses of…
- Knee-jerk Adjective meaning readily predictable to the point of being automatic. Knee-jerk often has a negative…
- Delivery, breech Delivery in which the buttocks present before the head
- Sawyer's extractor A device designed for first aid that suctions venom from the site of a bite of a poisonous snake or lizard