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).
RPR test
Rapid plasma reagin, a blood test for syphilis that looks for an antibody that is present in the bloodstream when a patient has syphilis. A negative (nonreactive) RPR is compatible with a person not having syphilis, but in the early stages…
Read the definitionRandom terms
Show more- Pauling See: Pauling, Linus
- Kok disease A genetic disorder also known as hyperexplexia in which babies have an exaggerated startle reflex (reaction)…
- Celsus (1st century A.D.) Aulus (Aurelius) Cornelius Celsus. Roman encyclopedist whose only surviving work, De…
- Sunscreen A substance that blocks the effect of the sun's harmful rays. Using lotions that contain sunscreens can…
- STL2 Stickler syndrome, type II. See: Stickler syndrome
- Sequence tagged site (STS) A short (200 to 500 base pair) DNA sequence that occurs but once in the genome and whose location and base…
- Directives, advance Known also as advance medical directives, these are documents that pertain to treatment preferences and the…
- Alstrom syndrome A progressive genetic disorder characterized by obesity, deafness, and visual problems in childhood and…
- Ova Plural form of ovum
- Atherectomy A procedure for opening up an artery by removing the plaque (atheroma) produced by the build-up of…
- Study, antro-duodenal motility An antro-duodenal motility study is a study for detecting and recording the contractions of the muscles of…
- Photochemotherapy, psoralen See: PUVA