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).
Frenum
A restraining structure. Frenum is Latin for a bridle. A small frenum is a frenulum
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Show more- Cardiovascular system The circulatory system which comprises the heart and blood vessels. The system carries nutrients and oxygen…
- Hemarthrosis Blood in a joint.
- Myositis Inflammation of muscle tissue. There are many causes of myositis, including injury, medications, and diseases
- Trichuris trichiura A nematode (roundworm) also called the human whipworm. The third most common round worm of humans. Occurs…
- Shoulder dislocation Displacement of the ball of the shoulder joint (the top rounded portion of the upper arm bone, or humerus)…
- JC virus (JCV) A virus that commonly causes infections of no consequence in children with a normal immune system but…
- Pylorus The outlet of the stomach.
- State, hypercoagulable A hypercoagulable state is the medical term for a condition in which there is an abnormally increased…
- Ketone A chemical substances that the body makes when it does not have enough insulin in the blood. When ketones…
- Echocardiography, transesophageal A diagnostic test which is done through the esophagus and which employs ultrasound waves to make images of…
- Smooth muscle One of the three types of muscle tissue in the body (skeletal, smooth, cardiac). Generally forms the…
- Otic barotrauma Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…