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).
Ear, middle
There are three sections of the ear. They are the external ear, the middle ear, and the inner ear. The middle ear consists of the ear drum (the tympanum or tympanic membrane) and, beyond it, a cavity. This cavity is connected via a canal…
Read the definitionRandom terms
Show more- Itch, jellyfish An intensely itchy rash due to contact with the tiny thimble jellyfish (Linuche unguiculata). These jellyfish…
- Single gene disease Any genetic disorder caused by a change affecting only one gene. There are thousands of single-gene diseases…
- Polychlorinated biphenyls See: PCBs
- Ephelis A form of freckle. A flat red or light-brown spot on the skin that typically appears during the sunny months…
- Liposuction, ultrasonic-assisted Liposuction, ultrasonic-assisted: Liposuction involves the surgical suctioning of fat deposits from specific…
- Muscular dystrophy, Ullrich congenital A disorder evident at birth characterized by muscle weakness, contractures of multiple joints, and…
- Aortic atresia Congenital absence of the normal valvular opening from the left ventricle of the heart into the aorta…
- Diarrhea, rotavirus Diarrhea, rotavirus: A leading cause of severe winter diarrhea in infants and young children. Each year…
- Combined oral contraceptive Commonly called 'the pill,' combined oral contraceptives are the most commonly used form of reversible birth…
- Heel spur A bony spur projecting from the back or underside of the heel that often makes walking painful. Spurs at the…
- Celsus (1st century A.D.) Aulus (Aurelius) Cornelius Celsus. Roman encyclopedist whose only surviving work, De…
- TSD Abbreviation for Tay-Sachs disease, a genetic metabolic disorder. See: Tay-Sachs disease