🔬 Discovery

Avenzoar's description of the scabies mite

Ácaro de la sarna y observaciones clínicas de Avenzoar

Date
c. 1130 · confidence medium
Place
Seville, Andalusia, Spain
Credited to
Ibn Zuhr (Avenzoar)
People
👤 Ibn Zuhr1091–1162
Field
Life & health

⚠️ Disputed: the sources disagree.

What was discovered

In his Kitab al-Taysir he describes a tiny creature beneath the skin as the cause of scabies, and records experimental tracheotomy in goats and tube feeding. He argued for experimentation before applying treatments to humans.

The parasitic cause of scabies was not accepted until Bonomo and Cestoni (1687); Ibn Zuhr's passage is brief and its significance is debated.

What it led to

  • parasitic aetiology of scabies
  • experimental surgery in animals
  • medicine of Averroes
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Sources✓ verified 2026-09-25