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).
UROD
Uroporphyrinogen decarboxylase, an enzyme required for the synthesis of heme, a part of the hemoglobin molecule. UROD catalyses the decarboxylation of uroporphyrinogen III to coproporphyrinogen III by the conversion of four acetic acid…
Read the definitionRandom terms
Show more- Flatfeet A condition of the feet in which the arch of the instep is flattened and the entire sole touches the ground…
- Campion, Thomas (1567-1620) English physician, poet, and composer. Campion first studied law, but had little sympathy with…
- Bradykinesia Bradykinesia: Slowed ability to start and continue movements, and impaired ability to adjust the body's…
- Patellar reflex See: Knee jerk
- Benzene A sweet smelling, highly toxic hydrocarbon. Long-term exposure to benzene is known to cause anemia and…
- Vitreous A clear, jelly-like substance that fills the middle of the eye. Also called the vitreous humor, 'humor' in…
- ADA deficiency Lack of normal adenosine deaminase (ADA) activity, a genetic (inherited) condition causing one form of severe…
- Thalassiosira pseudonana An ocean diatom that is a major participant in the biological pumping of carbon to ocean depths and that has…
- Sclerotherapy The injection of a chemical irritant into a vein to sclerose ('harden') it. The chemical irritates the lining…
- Femoral Having to do with the femur or, less often, the thigh. As in the femoral head (the head of the femur), the…
- Test, allergy scratch Allergy scratch: Test done on the skin to identify the allergy substance (the allergen) that is the trigger…
- Multisection computed tomography See: Multidetector computed tomography