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).
Disinsection
Spraying aircraft for insects, a procedure called disinsection. Some countries in Africa, Latin America, the Caribbean, Australia and the South Pacific require the spraying of the aircraft passenger compartment with insecticide while…
Read the definitionRandom terms
Show more- Anorectic 1. Pertaining to anorexia, lack of appetite.2. A drug or other agent that causes anorexia and so diminishes…
- Vaccine, killed polio See: Polio vaccine, inactivated
- Transporter gene The ability of genes to change position on chromosomes, a process in which a transposable element is removed…
- Eosinophilia, familial See: Familial eosinophilia
- Sponge, vaginal contraceptive See: Vaginal contraceptive sponge
- Federal Emergency Management Agency Better known as FEMA, an agency of the US government dedicated to rapid response to disasters, both man-made…
- Peri- Prefix meaning around or about. For example, pericardial is around the heart, and periaortic lymph nodes are…
- Warshaw See: Warshaw, Joseph
- Intervening sequence Part of a gene that is initially transcribed from the DNA into the primary RNA transcript but then is excised…
- Secondhand smoke Also known as environmental tobacco smoke (ETS). See: ETS
- Helminth A worm classified as a parasite. (A parasite is a disease-causing organism that lives on or in a human or…
- Gregarious parasite A parasite whose nutritional requirements permit several to many of them to live simultaneously in or on the…