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).
Melorheostosis
A rare bone condition that usually begins in childhood characterized by thickening of the bones (sclerosis) of a limb. Pain is frequent in the involved limb. The affected bone can have the appearance of 'dripping candle wax' when…
Read the definitionRandom terms
Show more- Vein, jugular The jugular veins are in the neck and drain blood from the head, brain, face and neck and convey it toward…
- Sinus bradycardia A regular but unusually slow heart beat (60 beats/minute or less at rest). Sinus bradycardia can be the…
- Community-acquired infection An infection acquired in the community. In contrast to a nosocomial (hospital-acquired) infection
- Epiretinal membrane A thin membrane that covers the sclera (the white of the eye). "Epi-" is a prefix from the Greek that means…
- Patent urachus A birth defect involving the urachus, a canal connecting the bladder of the fetus with the allantois, a…
- Needle biopsy, stereotactic See: Stereotactic needle biopsy
- Ulcer, stasis A stasis ulcer is an ulcer (a crater) that develops in an area in which the circulation is sluggish and the…
- Saphenous vein, great The larger of the two saphenous veins, the principal veins that run up the leg superficially (near the…
- Symbol of pediatrics See: Infant in swaddling
- Aphasia Aphasia: One in a group of speech disorders in which there is a defect or loss of the power of expression by…
- Rickets A disease of infants and children that disturbs normal bone formation (ossification). Rickets is a failure to…
- MHC Major histocompatibility complex