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).
ICD
Implantable cardiac defibrillator, a device that is put within the body and is designed to recognize certain types of abnormal heart rhythms (arrhythmias) and correct them. Defibrillators continuously monitor the heart rhythm in order to…
Read the definitionRandom terms
Show more- Test, PSA See: PSA
- Molars Molars are the large teeth at the back of the mouth.
- Catheter, hemodialysis A venous catheter used for hemodialysis (dialysis of the blood). A hemodialysis catheter is a type of central…
- Friend in dying See: Doula (the second meaning)
- Asthma, thermally induced Asthma, thermally induced asthma: Asthma that is 'triggered' by vigorous physical activity. Exercise-induced…
- Mendel, Gregor The great Moravian/Bohemian biologist (1822-84) who set forth the basic laws that constitute the foundation…
- Embolism, pulmonary The obstruction of the pulmonary artery or a branch of it leading to the lungs by a blood clot, usually from…
- Onychocryptosis The medical term for what is better known as an ingrown toenail. From onycho-, nail + crypto-, hidden or…
- Score, Gleason A grading system for prostate carcinoma. See Gleason score
- Placebo effect A positive medical response to taking a placebo, a sham medication as if it were an active medication. Up to…
- IAVI International AIDS Vaccine Initiative. A remarkable example of a global not-for-profit organization working…
- Thymus and parathyroids, hypoplasia of See: DiGeorge syndrome