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).
Attention
The ability to focus selectively on a selected stimulus, sustaining that focus and shifting it at will. The ability to concentrate. 'Everyone knows what attention is,' wrote William James in his Principles of Psychology (1890). 'It is the…
Read the definitionRandom terms
Show more- Fetal vaccinia See Congenital vaccinia
- Oculoauriculovertebral dysplasia See: Goldenhar syndrome
- Calcified granuloma A calcified granuloma is a granuloma containing calcium deposits. Since it usually takes some time for…
- PEP The abbreviation PEP stands for a number of things in medicine including post-exposure prophylaxis…
- Antidote An agent that counteracts a poison and neutralizes its effects. A chemical antidote is a substance that…
- Aarskog-Scott syndrome A syndrome of wide spaced eyes (ocular hypertelorism), front-facing (anteverted) nostrils, a broad upper lip…
- Power outage drinking water safety >Boil the water vigorously (water should be bubbling and rolling) for one to 3 minutes. >If you can't boil…
- Metrorrhagia Uterine bleeding at irregular intervals, particularly between the expected menstrual periods. Metrorrhagia…
- B. cepacia See: Burkholderia cepacia
- Test, PSA See: PSA
- Bronchospasm, exercise-induced Also called exercise-induced asthma, this is asthma that is triggered by vigorous physical activity…
- Ventricle, lateral >Lateral ventricles: The lateral ventricles are in the cerebral hemispheres, one in each hemisphere. Each…