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).
Roentgen ray
Term coined around 1890 that preceded X-ray and is now synonymous with it. Named for Wilhelm Roentgen, a German professor of physics. Roentgen wanted to prove his hypothesis that cathode rays could penetrate substances besides air. When he…
Read the definitionRandom terms
Show more- Myc- The plural of mycelium.
- Syndrome, antiphospholipid antibody An immune disorder characterized by the presence of abnormal antibodies in the blood associated with abnormal…
- Pharynx The hollow tube about 5 inches long that starts behind the nose and ends at the top of the trachea (windpipe)…
- Vascular headache A group of headaches felt to involve abnormal sensitivity of the blood vessels (arteries) in the brain to…
- Neuropathy, diabetic See: Diabetic neuropathy
- Sune K. Bergstrom See: Bergstrüm, Sune K.
- Ethmoid 1. As an adjective: spongy or sievelike. From the Greek ethmos, sieve + eidos, resemblance = like a sieve. 2…
- Neuroma, acoustic A benign tumor that may develop on the hearing and balance nerves near the inner ear. The tumor results from…
- Bladder infection Infection of the urinary bladder. Some people are at more risk for bladder and other urinary tract infections…
- Rash, butterfly Rash, butterfly: A red, flat facial rash over the bridge of the nose. Over half of patients with systemic…
- Case-fatality proportion The number of cases of a disease ending in death compared to the number of cases of the disease. Usually…
- Nephroblastomatosis The presence of multiple embryonic rests of tissue within the kidney. These nephrogenic rests usually are…