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).
Test, RPR
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- Carbonmonoxyhemoglobin See: Carboxyhemoglobin
- Bleb A bladder-like structure more than 5 mm in diameter with thin walls that may be full of fluid. Also called a…
- Aphasia, amnesic See Anomia
- Thrombosis The formation or presence of a blood clot in a blood vessel. The vessel may be any vein or artery as, for…
- Ring vaccination The vaccination of all susceptible individuals in a prescribed area around an outbreak of an infectious…
- Gigantism, pituitary Excessive growth and height due to chronic overactivity of the pituitary gland (at the base of the brain)…
- Aspie Name that many people with Asperger syndrome call themselves
- Agreement, arbitration See: Arbitration agreement
- Achillobursitis Pain due to inflammation of the bursa associated with the Achilles tendon. . The Achilles tendon is one of…
- Erection, penile When the penis fills with blood and is rigid. The penis contains two chambers, called the corpora cavernosa…
- Adenosine deaminase (ADA) deficiency A genetic (inherited) condition that results in a immune deficiency disorder called severe combined…
- Methylmalonicaciduria An inherited metabolic (biochemical) disease that causes young children to become mentally retarded. The…