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).
Mastectomy, simple
Removal of one or both breasts, but not the lymph nodes
Read the definitionRandom terms
Show more- Recommended Daily Allowance Popular name for the Recommended Dietary Allowance (RDA)
- Avascular necrosis (AVN) A condition in which the poor blood supply to an area of bone leads to bone death. The head of the…
- Isotonic solution A solution that has the same salt concentration as the normal cells of the body and the blood. As opposed to…
- LCHAD deficiency Acute fatty liver of pregnancy (AFLP) has been found to be associated in some cases with an abnormality of…
- Test, rapid strep A diagnostic test commonly used to demonstrate whether streptococcus bacteria ('strep') are present in the…
- FGFR2 A mutation (change) in the fibroblast growth factor receptor 2 (FGFR2) gene on chromosome 10 causes the…
- Deafness, age-related See: Presbycusis
- Calculus, renal A stone in the kidney (or lower down in the urinary tract). Also called a kidney stone. The stones themselves…
- Waterborne bacterial disease An illness due to infection with bacteria contaminating the water supply. Waterborne bacterial diseases cause…
- Calor Heat, one of the four classic signs of inflammation (together with dolor, rubor and tumor). From the Latin…
- Homeopathy A system of therapy based on the concept that disease can be treated with drugs (in minute doses) thought…
- Ricker syndrome A disease of infants and children that disturbs normal bone formation (ossification). Rickets is a failure to…