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).
PKU, maternal
A "sugar pill" or any dummy medication or treatment. For example, in a controlled clinical trial, one group may be given a real medication while another group is given a placebo that looks just like it in order to learn if the differences…
Read the definitionRandom terms
Show more- White cell differential, automated A machine-generated percentage of the different types of white blood cells, usually split into granulocytes…
- Tache noire Black spot (in French), a small ulcer covered with a black crust at the site of a tick bite, characteristic…
- Mineral requirements, infant Minerals (calcium, phosphorus, magnesium, iron, iodine, copper and zinc) and trace elements (manganese…
- Adenitis Inflammation of a gland. From the aden-, gland + -itis, inflammation
- Leonardo da Vinci Architect, engineer, inventor, painter and the father of anatomic art. Leonardo da Vinci first became…
- T-4 cell A type of T cell that has CD4 markers on its surface and participates in the immune response by recognizing…
- Glucose tolerance test See: Impaired glucose tolerance.
- Frambesia Also known as yaws, frambesia is a common chronic infectious disease that occurs mainly in the warm humid…
- Measles encephalitis Inflammation of the brain (encephalitis) occurs in perhaps 1 in 1,000 cases of measles, starting (up to 3…
- Wesil See: Weasand
- LKS 1. Lower lid (of the eye). 2. Lower limit. The recommended LL for potassium intake is 4.7 grams per day for…
- Colpotomy A surgical incision in the vagina. The -tomy part of the word comes from the Greek tome meaning cutting