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).
Angioid streaks
Tiny breaks in the elastin-filled tissue in the back of the eye (retinae). These abnormalities are visible to the doctor during an examination using a viewing instrument called an ophthalmoscope. Angioid streaks are seen in patients with…
Read the definitionRandom terms
Show more- Dominant, autosomal See: Fredrickson, Donald.
- Melanoma, ciliary body See: Intraocular melanoma
- Endoscopic papillotomy See: Endoscopic sphincterotomy
- Acute necrotizing ulcerative gingivitis (ANUG) This is trench mouth, a progressive painful infection with ulceration, swelling and sloughing off of dead…
- Ductular hypoplasia, syndromatic hepatic Also called Alagille syndrome or arteriohepatic dysplasia, this is a genetic disorder characterized by…
- Squamous cell carcinoma Cancer that begins in squamous cells -- thin, flat cells that look under the microscope like fish scales…
- Polycystic kidney disease, infantile See: Polycystic kidney disease, autosomal recessive
- Ligate To tie or to tie off, as in to ligate an artery. From the Latin 'ligare' meaning 'to bind or tie.' Ligature…
- HCV PCR viral detection test See: HCV PCR
- Rx A medical prescription. The symbol 'Rx' is usually said to stand for the Latin word 'recipe' meaning 'to…
- Foodborne disease A disease caused by consuming contaminated food or drink. Myriad microbes and toxic substances can…
- Variant angina Angina: Chest pain due to coronary artery spasm, a sudden constriction of a coronary artery (one of the…