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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
TC-99 tetrofosmin scintimammography
Scintimammography is an imaging technique that uses a radioisotope (a radioactive substance) to help visualize the breast and find cancer. Scintimammography using the radioisotope technetium tetrofosmin (Tc-99 tetrofosmin) can detect…
Read the definitionRandom terms
Show more- Sleep, NREM Sleep, NREM: NREM (non-rapid eye movement) sleep is dreamless sleep. During NREM, the brain waves on the…
- Pneumocystis Pneumocystis jiroveci (previously classified as Pneumocystis carinii), the fungus that causes pneumocystis…
- Radiation oncology Also called radiation therapy or radiotherapy, radiation oncology is the use of high-energy rays to damage…
- Cryoglobulinemia The presence in blood of abnormal proteins called cryoglobulins that, by definition, have the unusual…
- Defibrillator A device used to correct a dangerously abnormal heart rhythm, usually ventricular fibrillation, or to restart…
- Essential tremor Uncontrollable shaking (tremor) of the hands and head and sometimes other parts of the body. Essential tremor…
- Allergy scratch test Allergy scratch test: Test done on the skin to identify the allergy substance (the allergen) that is the…
- Raynaud's phenomenon Short for red blood cells, the cells that carry oxygen and carbon dioxide through the blood. This rather…
- Filovirus A family of viruses that cause hemorrhagic fever. Filoviruses have single- stranded RNA as their genetic…
- Duct of Bellini See: Ejaculatory duct.
- Nasogastric tube A tube that is passed through the nose and down through the nasopharynx and esophagus into the stomach…
- Diurnal Occurring in the daytime. A patient may have a diurnal fever rather than a nocturnal one. Diurnal also can…