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).
Amblyopia
Amblyopia: Partial or complete loss of vision in one eye caused by conditions that affect the normal development of vision. These conditions include strabismus, in which the eyes are crossed inward (esotropia) or turned outward (exotropia)…
Read the definitionRandom terms
Show more- Natural immunity Immunity that is naturally existing, Natural immunity does not require prior sensitization to an antigen…
- Calipers, skin See: Skin calipers
- Silicatosis See: Silicosis
- Vagus nerve A remarkable nerve that supplies nerve fibers to the pharynx (throat), larynx (voice box), trachea…
- Aortic insufficiency Incomplete closure of the aortic valve resulting in aortic regurgitation, the return of blood from the aorta…
- Internal carrier In the drug trade, an individual used to transport internally concealed illicit drugs. Also called a body…
- Examination, postmortem An autopsy. Also called a necropsy. Postmortem examinations have been done for more than 2,000 years but…
- Excessive daytime sleepiness A neurological disorder in which there is a sudden recurrent uncontrollable compulsion to sleep. Excessive…
- Clinical depression Depression that meets the DSM-IV criteria for a depressive disorder. The term is usually used to denote…
- Activase Brand name of alteplase, a tissue plasminogen activator made by recombinant DNA technology. See: Tissue…
- Clonic seizure A seizure in which there are generalized clonic contractions with the entire body jerking, but without a…
- Nasal passage The walls of the nasal passages are coated with respiratory mucous membranes which contain innumerable tiny…