Abu Sa'id Ubaid Allah ibn Bakhtyashu (940–1058), also spelled Bukhtishu, Bukhtyashu, and Bakhtshooa in many texts, was an 11th century syriac physician

Physician

A physician is a health care provider who practices the profession of medicine, which is concerned with promoting, maintaining or restoring human health through the study, diagnosis, and treatment of disease, injury and other physical and mental impairments...

, descendant of Bakhtshooa Gondishapoori

Bukhtishu

Bakhtshooa Gondishapoori were Persian Nestorian Christian physicians from the 7th, 8th, and 9th centuries, spanning 6 generations and 250 years. Some of them served as the personal physicians of Caliphs. Jurjis son of Bukht-Yishu was awarded 10,000 dinars by al-Mansur after attending to his malady...

. He spoke the Syriac language

Syriac language

Syriac is a dialect of Middle Aramaic that was once spoken across much of the Fertile Crescent. Having first appeared as a script in the 1st century AD after being spoken as an unwritten language for five centuries, Classical Syriac became a major literary language throughout the Middle East from...

.

He was the last representative of the Bukhtyashu family of Nestorian Christian physicians, who emigrated from Jundishapur to Baghdad

Baghdad

Baghdad is the capital of Iraq, as well as the coterminous Baghdad Governorate. The population of Baghdad in 2011 is approximately 7,216,040...

 in 765. His main works are the Reminder of the Homestayer, dealing with the philosophical terms used in medicine, and a treatise on lovesickness.

See also

• List of Iranian scientists
• The Bukhtishu
  Bukhtishu
  Bakhtshooa Gondishapoori were Persian Nestorian Christian physicians from the 7th, 8th, and 9th centuries, spanning 6 generations and 250 years. Some of them served as the personal physicians of Caliphs. Jurjis son of Bukht-Yishu was awarded 10,000 dinars by al-Mansur after attending to his malady...
  
   family.
• Bukhtishu, Gabriel ibn
  Jabril ibn Bukhtishu
  Jabril ibn Bukhtishu, also written as Bakhtyshu, was an 8-9th century physician from the Bukhtishu family of Persian Nestorian physicians from the Academy of Gundishapur...
  
  .
• Yuhanna ibn Bukhtishu
  Yuhanna ibn Bukhtishu
  Yuhanna ibn Bukhtishu was a 9th century Persian physician from Khuzestan, Persia..Yuhanna ibn Bukhtishu‘ was a member of a prominent family of Nestorian Christian physicians originally from Jundishapur in Khuzastan who worked in Baghdad from the 8th through the 10th centuries...