MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Valve, tricuspid
One of the four heart valves, the tricuspid valve is the first one that blood encounters as it enters the heart. The tricuspid valve is situated between the right atrium and right ventricle and allows blood to flow only from the atrium…
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Show more- Fahr syndrome This syndrome described in 1930 by T. Fahr is a genetic (inherited) neurological disorder characterized by…
- Cancer, testicular Cancer of the male sex organ (testicle) that normally produces the hormone testosterone. One of the most…
- Crohn enteris Crohn's disease (regional enteritis) involving only the small intestine. Crohn's disease is a chronic…
- Evolutionarily conserved gene A gene that has remained essentially unchanged throughout evolution. Conservation of a gene indicates that it…
- John W. Kirkland See: Kirklin, John W.
- Surface EMG A technique in which electrodes are placed on (not into) the skin overlying a muscle to detect the electrical…
- Pain, shoulder See: Shoulder pain
- Neuralgia, ciliary A distinctive syndrome of headaches, better known today as cluster headache. There are two main clinical…
- Hyperbilirubinemia type I Better known as Gilbert's disease, a common but harmless genetic condition in which a liver enzyme essential…
- Traction In medicine, a procedure for manually pulling a part of the body to a beneficial effect. See traction…
- Inhibitor, ACE See: ACE inhibitor
- Artery, pulmonary See: Pulmonary artery