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).
Leukemoid reaction
A benign condition in which the high number of white blood cells found in a blood test resembles the numbers seen in leukemia. For example, infectious mononucleosis can return blood-test results with a leukemoid reaction
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- Rabies Rabies: A potentially fatal viral infection that attacks the central nervous system. The rabies virus is…
- Glial cell A supportive cell in the central nervous system -- the brain and spinal cord. Glial cells do not conduct…
- Myeloproliferative disorders Malignant diseases of certain bone marrow cells including those that give rise to the red blood cells, the…
- Hemolytic jaundice, congenital Jaundice, congenital: Known also as hereditary spherocytosis (HS), this is a genetic disorder of the red…
- Pulmonary function test A test designed to measure how well the lungs are working. Pulmonary function tests (PFTs) gauge how the…
- Membrane, vaginal A thin membrane which completely or partially occludes the vaginal opening. This fold of mucous membrane is…
- RV (rotavirus) Rotavirus):Aside from recreational vehicle, RV is an abbreviation for rotavirus, a leading cause of severe…
- Arrectores pilorum Tiny muscles that act as the hair erector muscles. The arrectores pilorum play a key role in goose bumps, a…