MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Relapsing fever
An acute infection with recurrent episodes of fever caused by spirochetes of the genus Borrelia which are borne by ticks or lice. The relapsing nature of the fever is associated with the presence of antigenic variants. As an immune…
Read the definitionRandom terms
Show more- Pulse, collapsing See: Pulse, water hammer
- Breastfeeding practices The practices to be followed in breastfeeding a baby. Human milk is the preferred feeding for all infants…
- Idiopathy A disease or medical condition of unknown origin or which has no apparent cause. As in the idiopathy of…
- Syndrome, Cornelia de Lange See: de Lange syndrome
- Selenosis Selenium poisoning. Selenium posioning may be acute (short-term) or chronic (long-term). The effects of acute…
- Fiber and constipation Insoluble fiber retains water in the colon, resulting in a softer and larger stool. It is used effectively in…
- Manometry The measurement of pressure using a device called a manometer. Esophageal manometry is done to measure muscle…
- Norwegian scabies See crusted scabies
- Bulimia Bulimia: Also called bulimia nervosa. An eating disorder characterized by episodes of secretive excessive…
- RDIs (Reference Daily Intakes) Formerly known as hyaline membrane disease, a syndrome of respiratory difficulty in newborn infants caused by…
- Pneumonia, aspiration Inflammation of the lungs due to aspiration (the sucking in of food particles or fluids into the lungs).
- R/O Medical abbreviation for rule out