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).
Premature systole
See: Extrasystole
Read the definitionRandom terms
Show more- ETM2 A gene for essential tremor, uncontrollable shaking of the hands and head and sometimes other parts of the…
- Strait 1. (adjective) Narrow or confined. As in straitjacket. 2. (noun) A narrow passageway. As in the pelvic strait.
- Fluorobody A hybrid molecule that combines the affinity and specificity of an antibody with the visibility of a green…
- Anomia A problem with word finding. Impaired recall of words with no impairment of comprehension or the capacity to…
- Genome, bee See: Honey bee genome
- Section, Caesarian Also referred to as a C-section. A procedure in which a baby, rather than being born vaginally, is surgically…
- Diabetes mellitus Diabetes mellitus: Better known just as 'diabetes' -- a chronic disease associated with abnormally high…
- Bariatric surgery Surgery on the stomach and/or intestines to help a person with extreme obesity lose weight. Bariatric surgery…
- NPCR National Program of Cancer Registries
- Aortic regurgitation The return of blood from the aorta into the left ventricle of the heart due to aortic insufficiency…
- Vernix caseosa A white cheesy substance that covers and protects the skin of the fetus and is still all over the skin of a…
- Idiopathic sclerosing cholangitis See: Primary sclerosing cholangitis