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).
Universal donor
A person who is type O in the ABO blood group system and can donate blood to all recipients
Read the definitionRandom terms
Show more- Angiosarcoma A type of cancer that begins in the lining of blood vessels. This type of tumor tends to be aggressive, recur…
- Sentinel lymph node The first lymph node ('gland') to receive lymphatic drainage from a tumor. Which lymph node is the sentinel…
- Plasma osmolarity The osmolarity of blood plasma, which is a measure of the hydration status. The plasma osmolarity is…
- Linkage The tendency for genes and other genetic markers to be inherited together because of their location near one…
- Normotensive Having normal blood pressure. See also: Hypertensive; Hypotensive
- Phytochemical The active health-protecting compounds that are found as components of plants. Currently, the terms…
- Thyroid cancer Thyroid cancer: Cancer of the gland in front of the neck that normally produces thyroid hormone which is…
- Bougie A thin cylinder of rubber, plastic, metal or another material that a physician inserts into or though a body…
- Carcinoma, ampullary Cancer of a structure called the ampulla of Vater, a small muscle located at the junction where the common…
- Proinflammatory Capable of promoting inflammation. For example, air pollution may have proinflammatory effects
- Dihydroorotate dehydrogenase See: Alzheimer disease.
- NG tube See: Nasogastric tube