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).
Thallium scan
A method of examining the heart to obtain information about the blood supply to the heart muscle. In the scan, special cameras take a series of pictures of the heart. Radioactive thallium is injected into the bloodstream and serves as a…
Read the definitionRandom terms
Show more- Cell, antigen-presenting A cell that can 'present' antigen in a form that T cells can recognize it. The cells that can 'present'…
- Stewart See: Stewart, Alice
- Mitosis Ordinary division of a body cell (a somatic cell) to form two daughter cells, each with the same chromosome…
- Registry Although a registry was originally the place (like Registry House in Edinburgh) where information was…
- Vertebrae, coccygeal The coccyx, the small tail-like bone at the bottom of the spine near the anus, is made up of 3-5 (average of…
- Entero- Pinworm infection, an infection caused by a small, white intestinal worm -- the pinworm or, more formally…
- Syndrome, Usher A genetic disorder characterized by hearing impairment and an eye disorder called retinitis pigmentosa in…
- Care, critical See: Critical care
- Hansen's bacillus See: Hansen bacillus
- Iatry International AIDS Vaccine Initiative. A remarkable example of a global not-for-profit organization working…
- URI Commonly used abbreviation for Upper Respiratory Infection, an infection in the respiratory tract shy of the…
- Endothelium A layer of flat cells lining the closed internal spaces of the body such as the inside of blood vessels and…