Av·i·cen·na 
(ăv′ĭ-sĕnə) also Ibn Si·na (ĭb′ən sēnə) Full name Abu Ali al-Husain ibn Abdullah ibn Sina. 980-1037.
(ăv′ĭ-sĕnə) also Ibn Si·na (ĭb′ən sēnə) Full name Abu Ali al-Husain ibn Abdullah ibn Sina. 980-1037. Persian physician and Neoplatonist philosopher noted for his Canon of Medicine, a standard medical textbook used in Europe until the 17th century.