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).
PI
In medecine, not a private investigator but a principal investigator, the person who directs a research project or program
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Show more- Dextroposition Move to the right
- Biofeedback A method of treatment that uses monitors to feed back to patients physiological information of which they are…
- RA Rheumatoid arthritis
- Swimming pool granuloma Localized nodular skin inflammation (small reddish raised areas of skin) caused by a bacterium called…
- Complementary medicine A group of diagnostic and therapeutic disciplines that are used together with conventional medicine. An…
- WDWN Abbreviation for 'well developed, well nourished' used by doctors as shorthand when jotting down the results…
- Lys Lysine. See also: Amino acid symbols
- HAPE Acronym for High Altitude Pulmonary Edema, the accumulation in the lungs of extravascular fluid (fluid…
- Syndrome, Zellweger A genetic disorder, also called the cerebrohepatorenal syndrome, characterized by the reduction or absence of…
- Positive end-expiratory pressure The provision of oxygen under pressure by a mechanical respirator, a machine designed to improve the exchange…
- Sagittal A crucial large vein that goes over the top of the skull from front to back and then splits to take blood…
- Malignant giant cell tumor A type of bone tumor characterized by massive destruction of bone near the end (epiphysis) of a long bone…