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.
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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).
Ablate
To remove. A tumor may be ablated. To ablate the thyroid gland is to remove it. The word 'ablation' came from the Latin 'ablatum' meaning to carry away. In 1671 the ablation (removal) of a disease was a matter for consideration. But by…
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Show more- Foramen ovale An oval opening between the two upper chambers of the heart (the atria) that is a normal feature of the fetal…
- Eighth cranial nerve The eighth cranial nerve is the vestibulocochlear nerve. The vestibulocochlear nerve is responsible for the…
- Acetate A molecular ion derived from acetic acid. The formula of acetate is CH3COO-
- Myopia Myopia: Nearsightedness, the ability to see close objects more clearly than distant objects. Myopia can be…
- Ventricular septum The wall between the two lower chambers (the right and left ventricles) of the heart
- Gilbert syndrome Gilbert syndrome: A common but harmless genetic condition in which a liver enzyme essential to the disposal…
- Dystonia, cranial A term used to describe dystonia that affects the muscles of the head, face, and neck. Oromandibular dystonia…
- Th1 A distinct type of T-helper cell. See: T-helper cell
- Koch's postulates In 1890 the German physician and bacteriologist Robert Koch set out his celebrated criteria for judging…
- Primary liver cancer, adult A tumor in which the cancer starts during adulthood in cells in the liver. Also called hepatocellular…
- Mendel, Gregor The great Moravian/Bohemian biologist (1822-84) who set forth the basic laws that constitute the foundation…
- Hormone, secretin Hormone made by glands in the small intestine that stimulates pancreatic secretion. The word 'hormone' was…