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).
Tension pneumothorax
The pressure of the blood within an artery, the arterial pressure. Also called the intra-arterial pressure. For example, elevated blood pressure is referred to as hypertension.
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Show more- Mediastinum The area between the lungs. The organs in this area include the heart and its large veins and arteries, the…
- Syndrome, autoimmune polyglandular (APS) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…
- Barrett esophagus See: Barrett's esophagus
- Syndrome, sick sinus Symptoms of dizziness, confusion, fainting, and heart failure due to a problem with the sinus node of the…
- IgM Immunoglobulin M, a major class of immunoglobulins. IgM includes the antibodies that are usually produced…
- COL4A5 The gene for basement membrane type IV collagen alpha-5 chain. COL4A5 is on the X chromosome in band Xq22.3…
- GSS Gerstmann-Straussler-Scheinker. See: Gerstmann-Straussler-Scheinker syndrome
- Colitis, universal Ulcerative colitis that involves the entire colon (the large intestine). Ulcerative colitis itself is a…
- Cubitus valgus A deformity of the elbow resulting in an increased carrying angle (so that, with the arm extended at the side…
- Shunt, transjugular, intrahepatic, portosystemic A shunt that drains fluid from the cerebral ventricle into the abdomen.
- Retinal wrinkling See: Macular pucker
- Poisoning, ethylene glycol Poisoning from ethylene glycol (a clear, colorless, odorless liquid with a sweet taste) that can produce…