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).
Polycythemia
Too many red blood cells. The opposite of anemia. Polycythemia formally exists when the hemoglobin, red blood cell (RBC) count, and total RBC volume are all above normal
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- Remodeling, chromatin See: Chromatin remodeling
- Laser surgery A type of surgery that uses the cutting power of a laser beam to make bloodless cuts in tissue or remove a…
- Dumdum fever Also called kala-azar, a chronic, potentially fatal parasitic disease of the viscera (the internal organs)…
- Maple syrup urine disease Hereditary disease due to deficiency of an enzyme involved in amino acid metabolism, characterized by urine…
- Interleukin-3 A protein that stimulates the immune system to develop mast cells and bone-marrow cells. Abbreviated IL-3
- Laryngectomy, total A surgical procedure in which the whole voice box is removed, and the stoma opening into the larynx is…
- Otic barotrauma Middle ear problems due to changing atmospheric pressures, as when a plane descends to land. The problems…
- Balloon angioplasty Coronary angioplasty is accomplished using a balloon-tipped catheter inserted through an artery in the groin…
- ELISA ELISA stands for 'enzyme-linked immunosorbent assay.' This is a rapid immunochemical test that involves an…
- Lumbar Referring to the 5 lumbar vertebrae which are situated below the thoracic vertebrae and above the sacral…