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).
Biology, molecular
See: Molecular biology
Read the definitionRandom terms
Show more- Donor, universal A person who is type O in the ABO blood group system and can donate blood to all recipients
- Feverfew An herb that has been most commonly used for migraine headaches. Feverfew can cause allergic reactions…
- Antimicrobial A drug used to treat a microbial infection. 'Antimicrobial' is a general term that refers to a group of drugs…
- Multiple system failure The failure of two or more systems in the body as, for example, the cardiovascular and renal systems…
- Narcan Brand name for naloxone
- Ectromelia virus A member of the poxvirus family which is a highly virulent natural pathogen of mice that causes mousepox, a…
- Hemorrhoidectomy Surgical removal of hemorrhoids (enlarged and dilated veins in and around the rectum and anus)…
- Peripheral artery disease A form of peripheral vascular disease in which there is partial or total blockage of an artery, usually one…
- Hypertrophy Enlargement or overgrowth of an organ or part of the body due to the increased size of the constituent cells…
- Insufficiency, pulmonary See: Pulmonary insufficiency
- Cerebral amyloidosis and spongiform encephalopathy See: Gerstmann-Straussler-Scheinker syndrome
- Plague Plague: The plague is an infectious disease due to a bacteria called Yersinia pestis. Y. pestis mainly…