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).
Tonsils
Small masses of lymphoid tissue at the back of the throat, on either side of the throat
Read the definitionRandom terms
Show more- Tumor marker Tumor markers are substances that can be detected in higher-than-normal amounts in the blood, urine, or body…
- AAO 1. Alert and oriented.2. American Association of Ophthalmology, a professional organization.3. American…
- Pulmonary barotrauma Damage to the lung from rapid or excessive pressure changes, as may occur when a patient is on a ventilator…
- Kit, disaster supplies You and your family can cope best by preparing for disaster before it strikes. One way to prepare is by…
- EDMD Muscular dystrophy, Emery-Dreifuss
- Polyp A mass of tissue that develops on the inside wall of a hollow organ, as within the colon or rectum. The word…
- Breakbone fever An acute mosquito-borne viral illness of sudden onset that usually follows a benign course with headache…
- Rhinitis Irritation of the nose. Derived from the Greek word rhinos meaning of the nose
- Physician discontent Dissatisfaction with medical practice. Physician discontent increased substantially in the last quarter of…
- Alpha-galactosidase A deficiency See: Fabry disease
- Infraspinatus muscle >The infraspinatus muscle; >The teres minor muscle, which (like the infraspinatus muscle) helps in the…
- Septum, interatrial The wall separating the upper chambers (the atria) of the heart. A hole in the interatrial septum is termed…