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).
Lung cancer, small cell
A type of lung cancer in which the cells are small and round. Also called oat cell lung cancer
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Show more- Vocal cord paralysis Vocal cord paralysis:bility of one or both vocal folds (vocal cords) to move. The paralysis is usually due to…
- Docosahexaenoic acid DHA. An essential fatty acid, thought to be important to the development of infants, particularly as regards…
- Syndrome, Aase-Smith I See: Aase-Smith syndrome I
- Stenosis A narrowing, as in: > >aortic stenosis (narrowing of the aortic valve of the heart), >pulmonary stenosis…
- Voice disorder One of a group of problems involving abnormal pitch, loudness, or quality of the sounds produced by the…
- Proliferative Growing and increasing in number rapidly. For example, the lymphoproliferative disorders are diseases in…
- International normalized ratio An international unit (IU) is an internationally accepted amount of a substance. This type of measure is used…
- AAD American Association of Dermatology, one of many important professional societies in the health arena. The…
- Typhus, rat-flea See Typhus, murine
- Internal jugular vein The deeper of the two jugular veins in the neck that drain blood from the head, brain, face and neck and…
- Penicillin history The discovery of penicillin, one of the major events in the history of medicine. In 1871 the scientist Joseph…
- Bariatric surgery Surgery on the stomach and/or intestines to help a person with extreme obesity lose weight. Bariatric surgery…