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).
Penicillin history
The discovery of penicillin, one of the major events in the history of medicine. In 1871 the scientist Joseph Lister by chance noticed that the mould which grows on cheese and fruit can make microbes (germs) grow weaker. He made some…
Read the definitionRandom terms
Show more- Disordered thinking A failure to be able to 'think straight.' Thoughts may come and go rapidly. The person may not be able to…
- Anomalad, Klippel-Feil See: Klippel-Feil sequence
- Artery disease, coronary See: Coronary artery disease
- Elbow, tennis A painful injury to the tendon that is attached to the outer part of the elbow due to repetitive twisting of…
- Collapsed lung Failure of full expansion of a once fully expanded lung. Medically called atelectasis. The word comes from…
- Treatment, palliative To palliate a disease is to treat it partially and insofar as possible, but not cure it completely…
- Enervation The act of enervating or the state of being enervated. See: Enervate
- Circular breathing Inhaling through the nose and inflating the cheeks and neck with air at the same time. Some saxophone players…
- Consultant An individual to whom one refers for expert advice or services. The use of consultants is common in medicine…
- Niemann-Pick disease type C Abbreviated NPC. A type of Niemann-Pick disease inherited in an autosomal recessive manner, resulting in…
- Toxic hepatitis Hepatitis (inflammation of the liver) caused by an industrial chemical such as carbon tetrachloride or…
- First American medical journal The Medical Repository, founded in 1797 and published quarterly until 1824. The Medical Repository was the…