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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Foramen, interventricular
An opening between the lateral and third ventricles in a system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of the two lateral ventricles, the…
Read the definitionRandom terms
Show more- Antean Exceptionally strong or large. A multi-vitamin pill may, for example, be of Antean proportions. After…
- DVT (deep vein thrombosis) Blood clotting in the veins of the inner thigh or leg. In air travel, DVT is the 'economy-class syndrome.'…
- Gerstmann-Straussler syndrome See: Gerstmann-Sträussler-Scheinker syndrome
- Menometrorrhagia Excessive uterine bleeding, both at the usual time of menstrual periods and at other irregular intervals…
- Abortion, habitual The miscarriage of 3 or more consecutive pregnancies. The abortion of 3 or more miscarriages (spontaneous…
- Spinal muscular atrophy A genetic disease characterized by progressive loss of lower motor neurons (anterior horn cells) in the…
- Journal, medical, first American The first U.S. medical journal, the Medical Repository was founded in 1797 and published quarterly until…
- System, cardiovascular The circulatory system which comprises the heart and blood vessels. The system carries nutrients and oxygen…
- Mediastinotomy A procedure in which the doctor inserts a tube into the chest to view the organs in the mediastinum. The tube…
- Vaccine, killed polio See: Polio vaccine, inactivated
- Sinus bradycardia A regular but unusually slow heart beat (60 beats/minute or less at rest). Sinus bradycardia can be the…
- Alexander technique A process that teaches how to properly coordinate body and mind to release harmful tension and to improve…