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).
Cardiovascular
The circulatory system comprising the heart and blood vessels which carries nutrients and oxygen to the tissues of the body and removes carbon dioxide and other wastes from them. Cardiovascular diseases affect the heart and blood vessels…
Read the definitionRandom terms
Show more- Appendix cancer A malignancy of the appendix, accounting for about 1 in 200 of all gastrointestinal malignancies. Although…
- Twin One of two children produced in the same pregnancy and born during the same birth process. Twins can develop…
- Hemolytic jaundice, congenital Jaundice, congenital: Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red…
- Tooth, wisdom One of the large molars in the very back of the jaw. The human jaw has changed in size over the course of…
- Vaccine, Salk Vaccine against poliomyelitis named for Dr. Jonas Salk who developed and introduced it in 1955. It was the…
- Curettage The removal of growths or other material from the wall of a cavity or other surface, as with a curet. A…
- Rat-flea typhus Murine typhus, an acute infectious disease with fever, headache, and rash, all quite similar to, but milder…
- Prostate cancer gene BRCA2 A gene that normally acts to restrain the growth of cells but which, when mutated, is responsible for a…
- Alpha linolenic acid See: Alpha-linolenic acid
- Compassionate use Term used in the US for a method of providing experimental therapeutics prior to final FDA approval for use…
- Cathexis In psychiatry, the concentration of psychic energy on an idea, object, or other object
- Ear tubes Ear tubes: Formally known as tympanostomy tubes, ear tubes are small plastic tubes inserted into the eardrum…