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).
Pompe disease
A genetic (inherited) deficiency of an enzyme called acid alpha glucosidase. This enzyme helps the body break down glycogen, a complex carbohydrate that is converted to glucose for energy. Without the enzyme, glycogen builds up in the…
Read the definitionRandom terms
Show more- Oxygen A colorless, odorless and tasteless gas that makes up about 20% of the air we breathe (and at least half the…
- Fetoscope (1) A flexible fiberoptic device used to view or operate upon a fetus within the womb (to do fetal…
- Medical symbol A staff or rod with a snake curled around it is the staff (the rod) of Aesculapius (also called Asklepios)…
- Rheumatoid arthritis, systemic-onset juvenile See: Arthritis, systemic-onset juvenile rheumatoid
- Tympanostomy tube A small plastic tube inserted into the eardrum to keep the middle ear aerated for a prolonged period of time…
- Oxy Street name for OxyContin, prescription painkiller that has become a popular and dangerous recreational drug…
- Gallbladder agenesis This is a condition in which the gallbladder fails to develop. This happens in approximately one out of every…
- Goldenhar syndrome Congenital malformation of the jaw, cheek and ear associated with vertebral defects. There is deformity of…
- Cramping leg pain A serious disease characterized by inflammation of the walls of the blood vessels (vasculitis). The vessels…
- Acute bacterial prostatitis Prostatitis: Inflammation of the prostate gland of sudden (acute) onset due to bacterial infection. The…
- Stent A tube designed to be inserted into a vessel or passageway to keep it open. Stents are inserted into narrowed…
- Presentation, breech Birth in which the buttocks present before the head