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).
Vena cava, superior
A large vein that receives blood from the head, neck, upper extremities, and thorax and empties it into the right atrium of the heart
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- K (potassium) K is the symbol for potassium, the major positive ion (cation) found inside of cells. The chemical notation…
- Child abuse, emotional Child abuse, emotional: Emotional child abuse is the third most frequently reported form of child abuse…
- Xerogram A picture of the body recorded on paper rather than on film. Also called a xeroradiograph. From the Greek…
- Sociophobia Fear of social gatherings, fear of socializing, fear of embarrassment in social situations that is extremely…
- Kit, disaster supplies You and your family can cope best by preparing for disaster before it strikes. One way to prepare is by…
- LUQ Abbreviation for the left upper quadrant (quarter). The LUQ of the abdomen contains the spleen. (By contrast…
- Family history of colorectal cancer See: Colon cancer family history
- Sclerosis, multiple The injection of a chemical irritant into a vein to sclerose ("harden") it. The chemical irritates the lining…
- Isoleucine An amino acid, one of the 20 building blocks of protein. A dietary essential amino acid, isoleucine is needed…
- Vesicoenteric Pertaining to both the urinary bladder and intestine or to a communication between them, as in a…