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).
Shoulder pain
Pain in the shoulder due to an injury or disease. The design of the shoulder joint is such that it sacrifices stability for mobility. As an extremely mobile joint that plays a central role in the action of a major extremity (the arm), the…
Read the definitionRandom terms
Show more- Hypoalbuminemia An abnormally low blood level of albumin. Normally, albumin is the most plentiful protein in human blood and…
- Radioallergosorbent test An allergy test done on a sample of blood. The test is used to check for allergic sensitivity to specific…
- Histoplasma See: Histoplasma.
- Steroid A general class of chemical substances that are structurally related to one another and share the same…
- Tonsillolith A tiny stone (calculus) in the tonsils. Also referred to as a tonsillith. These stones, called tonsilloliths…
- Cyst A cyst is an abnormal, closed sac-like structure within a tissue that contains a liquid, gaseous, or…
- Fornix In anatomy, a vaultlike or arched structure. For example: > >The fornix in the brain -- a fibrous arching…
- Drug, prescription A drug requiring a prescription, as opposed to an over-the-counter drug, which can be purchased without one…
- Gas exchange The primary function of the lungs involving the transfer of oxygen from inhaled air into the blood and the…
- Pulmonary stenosis The pulmonary valve is too tight so that the flow of blood from the right ventricle of the heart into the…
- Shunt, ventriculopleural See: Ventriculopleural shunt
- Agenesis of the corpus callosum A congenital abnormality (a birth defect) in which there is partial or complete absence (agenesis) of the…