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).
Ornithophobia
An abnormal and persistent fear of birds. Sufferers from ornithophobia experience undue anxiety about encountering and even being attacked by birds although they may realize their fears are quite irrational. Ornithophobia was epitomized in…
Read the definitionRandom terms
Show more- Valve, pulmonary One of the four valves in the heart, the pulmonary valve stands at the opening from the right ventricle in…
- Human T-lymphotropic virus type III An obsolete term for the human immunodeficiency virus, now commonly called HIV
- Hypochondriacal neurosis See: Hypochondriasis
- Bowel sounds The gurgling, rumbling, or growling noises from the abdomen caused by the muscular contractions of…
- Macroglobulinemia, Waldenstrom See: Waldenstrom macroglobulinemia
- OSHA The Occupational Safety and Health Administration, an agency of the US government under the Department of…
- Thrombin A key clot promoter, thrombin is an enzyme that presides over the conversion of a substance called fibrinogen…
- Persantine thallium scan A type of myocardial perfusion scan done to disclose any areas of the heart muscle that may not be getting…
- Granary weevil A true weevil that is among the most destructive of all insects in stored grain and that is the culprit…
- Glaucoma Glaucoma: A common eye condition in which the fluid pressure inside the eyes rises because of slowed fluid…
- Coryza A cold in the head. The word 'coryza' came from the Greek 'koryza' which is thought to have been compounded…
- Anthophobia An abnormal and persistent fear of flowers. Sufferers experience anxiety even though they realize they face…