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).
Xerogram
A picture of the body recorded on paper rather than on film. Also called a xeroradiograph. From the Greek 'xeros' meaning 'dry.'
Read the definitionRandom terms
Show more- Colon cancer Colon cancer: A malignancy that arises from the inner lining of the colon. Most, if not all, of these cancers…
- Rhabdomyolysis A condition in which skeletal muscle cells break down, releasing myoglobin (the oxygen-carrying pigment in…
- Oculocraniosomatic syndrome See: Kearns-Sayre syndrome
- Potassium balance The balance between too much potassium and, far more often today, too little potassium. Adults should consume…
- PYY A hormone concerned with hunger and the lack of hunger (satiety). Soon after eating, PYY is secreted into the…
- Rapid plasma reagin test A screening blood test for syphilis. Rapid plasma reagin is commonly abbreviated RPR. A negative…
- Chloroprene A possible carcinogen (cancer-causing agent) primarily used in the production of the elastomer…
- Digit, supernumerary An extra finger or toe
- Valve, mitral One of the four valves of the heart, the mitral valve is situated between the left atrium and the left…
- Natural killer cell A cell that can react against and destroy another cell without prior sensitization to it. Natural killer (NK)…
- Condom, male The male condom is a sheath placed over the erect penis before penetration, preventing pregnancy by blocking…
- Acanthamoeba keratitis Infection of the cornea by acanthamoeba, a microscopic water-borne ameba. The disease tends to occur in…