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).
Syphilis 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- UAG A triplet consisting of uracil, adenine, guanine, in that order, that acts as a stop codon in messenger RNA…
- Calcium channel blocker A drug that blocks the entry of calcium into the muscle cells of the heart and the arteries. It is the entry…
- Vaginal membrane A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is…
- L Abbreviation for liter, a metric measure of capacity that, by definition, is equal to the volume of a…
- Knee The knee is a joint which has three parts. The thigh bone (the femur) meets the large shin bone (the tibia)…
- DHEA Dehydroepiandrosterone
- Index case A person who first draws attention to their family. For example, if my eye doctor discovers I have glaucoma…
- Uterine rupture A tear of the uterus, an uncommon but very serious situation that may result in hysterectomy, urologic…
- Genome, mouse All of the genetic information contained in the laboratory mouse (Mus musculus). The genomes of particular…
- Manic-depressive disease See manic-depression
- Rash, varicella Rash, varicella: Varicella (chickenpox) is characterized by a rash, often the first sign of the disease. The…
- Aspiration, joint A procedure whereby a sterile needle and syringe are used to drain joint fluid from the joint. This is…