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).
Cyanosis
A bluish color of the skin and the mucous membranes due to insufficient oxygen in the blood. For example, the lips may show cyanosis. Cyanosis can be evident at birth, as in a 'blue baby' who has a heart malformation that permits blood…
Read the definitionRandom terms
Show more- Myocardial infarction, acute See: Acute myocardial infarction
- Contig map A map depicting the relative order of a linked library of small overlapping clones representing a complete…
- ACNM The American College of Nurse-Midwives. See: Nurse-midwife
- Tetany >Hyperreflexia (overactive neurological reflexes), >Carpopedal spasm (spasms of the hands and feet), >Cramps…
- MCL (medial collateral ligament) of the knee The knee joint is surrounded by a joint capsule with ligaments strapping the inside and outside of the joint…
- Vaccine, inactivated polio See: Polio vaccine, inactivated
- Cholangiogram, intravenous See: Intravenous cholangiogram
- Melena Stools or vomit stained black by blood pigment or dark blood products.
- Random sample A group selected randomly, solely by chance
- Index case A person who first draws attention to their family. For example, if my eye doctor discovers I have glaucoma…
- Xenotropic virus A virus that can grow in the cells of a species foreign to the normal host species, a species different from…
- Inflammation A basic way in which the body reacts to infection, irritation or other injury, the key feature being redness…