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).
VSD
A Ventricular Septal Defect, a hole in the septum (the wall) between the lower chambers of the heart (the ventricles). VSD is the most common type of heart malformation (congenital heart disease). At least 1 baby in every 500 is born with…
Read the definitionRandom terms
Show more- Soft chancre See: Chancroid
- Hormone replacement therapy (HRT) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Queasy A feeling of nausea
- Diverticulum, Meckel's An outpouching of the small bowel. About 1 in every 50 people has a Meckel's diverticulum. It is usually…
- Typhus fever See: Typhus
- ADE Adverse drug event. See: Adverse reaction..
- Sarcoma, synovial See Synovial sarcoma
- DNA sequence, finished A DNA sequence in which the bases are identified to an accuracy of no more than 1 error in 10,000 and are…
- PVS Pigmented villonodular synovitis
- Brain tumor El ODYvAlign=top bgColor=#cccccc colSpan=2> vAlign=top width='100%' bgColor=#ffffff>Our Brain tumor Main…
- Exercise, aerobic Brisk physical activity requiring the heart and lungs to work harder to meet the body's increased oxygen…
- Erythropoietin test Erythropoietin test: A test of the hormone erythropoietin (EPO) in blood. An abnormal level of EPO may mean…