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.
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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).
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In molecular biology, a site on DNA to which the enzyme RNA polymerase can bind and initiate the transcription of DNA into RNA
Read the definitionRandom terms
Show more- Immunoglobulin A protein produced by plasma cells and lymphocytes and characteristic of these types of cells…
- Ankle sprain A common musculoskeletal injury in which the ligaments of the ankle partially or completely tear due to…
- Superior A large vein that receives blood from the head, neck, upper extremities, and thorax and delivers it to the…
- Syndrome, Aase-Smith I See: Aase-Smith syndrome I
- Xeno- (prefix) Foreign or other. As in: > >Xenoantigen -- An antigen that is found in more than one species. >Xenograft -- A…
- Gross hematuria Hematuria means blood in the urine and gross hematuria refers to hematuria that is so plentiful that it is…
- CSF (colony-stimulating factor) A laboratory-made agent similar to a substance in the body that stimulates the production of blood cells. The…
- Plummer-Vinson syndrome Iron deficiency anemia, esophageal webs, and dysphagia (difficulty swallowing). The iron deficiency is…
- Dyslipidemia A disorder of lipoprotein metabolism, including lipoprotein overproduction or deficiency. Dyslipidemias may…
- FGFR2 A mutation (change) in the fibroblast growth factor receptor 2 (FGFR2) gene on chromosome 10 causes the…
- Pacemaker Pacemaker: A system that sends electrical impulses to the heart in order to set the heart rhythm. The…
- Iridectomy The process of making a hole in the iris by surgically removing a full-thickness piece from the iris