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).
Bad air
Any air considered noxious. Today, air filled with tobacco smoke might be considered 'bad air.' So might air contaminated by the emissions of power plants. In the past, bad air was termed a miasma, a poisonous vapor or mist believed to be…
Read the definitionRandom terms
Show more- Intensity modulated radiation therapy IMRT. A type of three-dimensional radiation therapy that uses computer-generated images to match radiation to…
- Vitamin A deficiency Deficiency of niacin, one of the B-complex vitamins, causes pellagra. See: Pellagra.
- Radiation, ultraviolet Invisible rays that are part of the energy that comes from the sun. Ultraviolet radiation can burn the skin…
- Regurgitation, aortic See: Aortic regurgitation
- Diabetic nephropathy The kidney disease associated with long-standing diabetes. Diabetic nephropathy is also called…
- Mirror, mouth See: Mouth mirror
- Typhoon A regionally specific name for a strong tropical cyclone in the Northwest Pacific Ocean west of the dateline…
- Decompression, biliary See: Biliary decompression
- Pediatric pyelonephritis Pediatric kidney infection. See: Urinary tract infection in children
- Epistaxis Medical term for nosebleed. The nose is a part of the body that is very rich in blood vessels (vascular) and…
- Nodular Bumpy.
- Scratch test for allergy A mammogram (an X-ray of the breast) in women who have no signs of breast cancer. It usually involves two…