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).
Ray, Roentgen
See: Roentgen ray
Read the definitionRandom terms
Show more- Operating room A facility equipped for performing surgery. Abbreviated OR
- Isometropia The condition in which both eyes have equal refractive power. If, for example, one eye is myopic…
- Fluoroscopy An x-ray procedure that makes it possible to see internal organs in motion. Fluoroscopy uses x-ray to produce…
- Artery, brachial See: Brachial artery
- Manicheel tree A dangerous tropical tree whose sap is highly poisonous and corrosive. The sap comes out when a leaf is…
- Scrape An abrasion or cut caused by something rubbing roughly against the skin. To treat scrape, wash the area with…
- EMSY A novel protein that connects the familial and sporadic forms of breast cancer and ovarian cancer. Some cases…
- Lissencephaly A brain malformation characterized by microcephaly and the lack of normal convolutions (folds) in the brain…
- Orgasmic dysfunction See: Anorgasmia
- Anemia, Cooley's Anemia, Cooley's: Better known today as thalassemia (or as beta thalassemia or thalassemia major). The…
- Corpus callosum, agenesis of the See: Agenesis of the corpus callosum
- Principal investigator In biomedical research, the person who directs a research project or program. The principal investigator (the…