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).
Thromboxane
A substance made by platelets that causes blood clotting and constriction of blood vessels. There are two thromboxanes. Thromboxane A2 (TXA2) is active but is very unstable and has a half-life of only 30 seconds before it undergoes…
Read the definitionRandom terms
Show more- MB ChB Bachelor of Medicine and Bachelor of Surgery degrees. See: MBChB
- Cranial bone Part of the top portion of the skull which protects the brain. The bones of the cranium include the frontal…
- Aneurysm, cardiac Outpouching of an abnormally thin portion of the heart wall. An aneurysm is a localized widening (dilatation)…
- Microbicide An agent that kills microbes, minute forms of life (e.g. bacteria, fungi, and protozoal parasites), some…
- CML, juvenile See: Juvenile myelomonocytic leukemia
- Seizure, jackknife See: Infantile spasms
- Diaper rash, yeast Rash, yeast: Infection in the diaper area caused by a yeast formerly called Monilia and now called Candida…
- Depression, dysthymia A type of depression involving long-term, chronic symptoms that are not disabling, but keep a person from…
- Mantoux test A skin test for tuberculosis, named for the French physician Charles Mantoux (1877-1947). See: Tuberculin
- Trisomy 13 syndrome Condition with three rather than the normal two chromosomes #13. Children born with this syndrome have…
- SiRNA Abbreviation for small inhibitory RNA, a short sequence of RNA which can be used to silence gene expression
- Antibody, antithyroglobulin An antibody directed against thyroglobulin which is a key protein in the thyroid gland essential to the…