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.
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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).
Hereditary mutation
Mutation: A heritable change in the DNA of a gene or chromosome in a cell destined to become an egg or a sperm or the zygote (the conceptus) at the single-cell stage. When transmitted to a child, an hereditary mutation is incorporated in…
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Show more- Study, antro-duodenal motility An antro-duodenal motility study is a study for detecting and recording the contractions of the muscles of…
- Scorbutus Scurvy. Ascorbic acid was so-named because it prevents scorbutus (scurvy). See also: Paprika
- Overload, iron Iron overload can damage the heart, liver, gonads and other organs. Iron overload is a particular risk for: >…
- Beta-2 agonist See: Beta-agonist
- Stepmother The wife of a man who had a child by another women. See: Novercal
- Gram-positive Gram-positive bacteria retain the color of the crystal violet stain in the Gram stain. This is characteristic…
- Reduction division The first cell division in meiosis, the process by which germ cells are formed. A unique event in which the…
- Facioscapulohumeral muscular dystrophy A form of muscular dystrophy that typically begins before age 20 with slowly progressive weakness of the…
- Intra-arterial pressure The pressure of the blood within an artery, the arterial pressure. Also called the arterial tension
- Caesarian section Also referred to as a C-section. A procedure in which a baby, rather than being born vaginally, is surgically…
- Benzo(a)pyrene Abbreviated B(a)P. A member of a class of compounds known as polycyclic aromatic hydrocarbons (PAHs). B(a)P…
- Refsum disease A genetic disorder affecting the metabolism of the fatty acid phytanic acid. When phytanic acid accumulates…