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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Power outage and the heat
When power goes out, water purification systems may not be functioning fully. Use bottled water for eating or drinking. If you don't have bottled water on hand, and are not sure that your tap water is safe, follow these directions to…
Read the definitionRandom terms
Show more- Wesand See: Weasand
- Dizziness Dizziness: Painless head discomfort with many possible causes including disturbances of vision, the brain…
- Proline An amino acid, one of the 20 building blocks of protein. A dietary nonessential amino acid, proline is a…
- ERG Electroretinography
- Glucocentric Focused on glucose, particularly to the exclusion of other factors. As in 'We have a body of evidence and the…
- Absence seizure A seizure that takes the form of a staring spell. The person suddenly seems to be 'absent.' An absence…
- Serratus posterior inferior One of the serratus muscles of the back and thorax. The serratus posterior inferior muscle originates…
- Gefitinib Gefitinib: A drug that attaches to the epidermal growth factor receptor (EGFR) on the surfaces of cells. The…
- Acrodermatitis enteropathica An historic model for the therapy of genetic disease. In an era (the 1950s) when inherited disorders were…
- Vagus nerve A remarkable nerve that supplies nerve fibers to the pharynx (throat), larynx (voice box), trachea…
- Gland, thyroid See: Thyroid gland
- SA node The SA node (SA stands for sinoatrial) is one of the major elements in the cardiac conduction system, the…