Final answer:
Ibn Sina wrote the Canon, a medical textbook.
Step-by-step explanation:
Ibn Sina, also known as Avicenna, wrote Canon, a medical textbook. The Canon of Medicine was a comprehensive encyclopedia of medicine that covered various topics such as anatomy, pathology, and pharmacology. It became one of the most influential medical texts in history and was widely studied and translated into multiple languages.
Learn more about Ibn Sina's writings