MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
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).
Red Shield
Trade name of the insecticide dieldrin. See: Aldrin and dieldrin
Read the definitionRandom terms
Show more- Munchhausen by proxy See: Munchhausen syndrome by proxy
- Plasmacytoma Cancer of the plasma cells (white blood cells that produce antibodies) that may turn into multiple myeloma
- Starttheweekendearlyitis See: Fridayitis
- Protean Very variable; easily changing; or continually changing. Protean is not to be confused with protein (a member…
- Metabolic diseases, inherited Also called inborn errors of metabolism, these are heritable (genetic) disorders of biochemistry. Examples…
- First do no harm Slogan used in medicine often in the Latin wording 'primum non nocere,' a fundamental medical precept of…
- End-of-life companion See: Doula (the second meaning)
- Breastfeeding practices The practices to be followed in breastfeeding a baby. Human milk is the preferred feeding for all infants…
- Elbow dislocation See: Nursemaid's elbow
- Osler's nodes These are small (the size of split peas), tender, transient nodules in the pads of fingers and toes and the…
- Pulmonary insufficiency 1. Incomplete closure of the pulmonary valve in the heart, allowing blood to return from the pulmonary artery…
- Syndrome, autoimmune polyglandular (APS) A genetic autoimmune disease with an extraordinary array of clinical features but characterized most often by…