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).
Dilator
A device used to stretch or enlarge an opening. Patients with scarring of the muscular tube through which food passes from the throat to the stomach (esophagus) can require a dilator procedure in order to open the esophagus for adequate…
Read the definitionRandom terms
Show more- Hair, exclamation point Exclamation point hair is a key diagnostic finding in a disorder called alopecia areata. Alopecia areata is…
- Ultrasound, transvaginal A technique in which sound waves are sent out by an ultrasound probe that has been inserted in the vagina…
- Multipara, grand The term 'multipara' applies to any woman who has given birth 2 or more times. A woman who has given birth 5…
- Nomenclature A system of names used in a particular discipline, as in medicine and surgery, anatomy and biochemistry, etc…
- Dysplasia, bronchopulmonary See: Bronchopulmonary dysplasia
- Meningitis Inflammation of the meninges, usually due to a bacterial infection but sometimes from viral, protozoan, or…
- Coke Street name for cocaine, the most potent stimulant of natural origin, a bitter addictive anesthetic (pain…
- Virion A complete virus particle with its DNA or RNA core and protein coat as it exists outside the cell. Also…
- Corrigan pulse A pulse that is full and then suddenly collapses. Named for the Irish physician Dominic John Corrigan…
- D (drug caution code) Abbreviation on a medication that indicates caution because the medication may cause drowsiness. While not a…
- Invasive candidiasis A fungal infection that occurs when Candida (a yeast-like fungus) enters the bloodstream and then spreads…
- Pseudomonas infection Infection usually with Pseudomonas aeruginosa, the versatile 'blue-green pus bacteria' that opportunistically…