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).
Atrioventricular (AV)
Pertaining to the atria (the upper chambers of the heart) and the ventricles (the lower chambers of the heart). The AV node is an electrical relay station between the atria and the ventricles. Electrical signals from the atria must pass…
Read the definitionRandom terms
Show more- Eye, dry See: Dry eye
- Mite A tiny eight-legged creature belonging to the Order Acarina related to spiders and ticks. Some mites live…
- Test, pupil dilation An examination that enables an eye care professional to see more of the retina, the light-sensitive layer of…
- Desert fever A disease also called coccidioidomycosis (CM) due to a fungus called Coccidioides immitis. About 40% of…
- Physical child abuse See: Normal growth.
- Protein kinase A An enzyme system that is activated by cyclic adenosine monophosphate (cAMP) and that catalyzes the activity…
- Wet market A live animal market, a common sight in many areas of the world and a source of influenza viruses and other…
- Gastrointestinal tract The tube that extends from the mouth to the anus in which the movement of muscles and release of hormones and…
- Pharmacology The study of drugs, their sources, their nature, and their properties. Pharmacology is the study of the…
- Chemosensory Pertaining to the sensing of chemicals, as by olfaction (the sense of smell). Diabetes and Parkinson's…
- Labial Pertaining to the lip, one of the fleshy folds which surround the opening of the mouth or the vagina. Oral…
- Syndrome, Guillain-Barre See: Guillain-Barre syndrome