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).
Etiology
The study of the causes. For example, of a disorder. The word 'etiology' is mainly used in medicine, where it is the science that deals with the causes or origin of disease, the factors which produce or predispose toward a certain disease…
Read the definitionRandom terms
Show more- Ambulatory Able to ambulate, to walk about, not bed-ridden or hospitalized
- Occlude 1 To close, obstruct, or prevent the passage. To occlude an artery is to occlude the flow of blood. 2 To…
- Buffalo chest A single chest cavity with no anatomic separation of the two hemithoraxes due, for example, to tension…
- MPH Master of Public Health (a master's degree in this field of medicine)
- D.O. Abbreviation for Doctor of Osteopathy, an osteopathic physician. Osteopathy is a system of therapy founded in…
- Contralateral On the other side. The contralateral breast is the breast on the other breast. A stroke affecting the right…
- Race-based medication See: Race-based drug
- Artery, central retinal The blood vessel that carries blood into the eye and supplies nutrition to the retina. The counterpart to the…
- Bicuspid aortic valve Whereas the normal aortic valve in the heart has three flaps (cusps) that open and close, a bicuspid valve…
- Central retinal vein The blood vessel that carries blood away from the retina of the eye. The counterpart to the central retinal…
- Subarachnoid hemorrhage Bleeding within the head into the space between two membranes that surround the brain. The bleeding is…
- Iris melanoma See: Intraocular melanoma