'Anathomia Gydo' is an Early Modern Irish version of the first two doctrines of Guy de Chauliac's 'De anathomia' - the opening treatise of 'Inventarium sive Chirurghia Magna'.
'A note at the end of Anathomia Gydo in TCD ms. 1436 attributes the translation of the text into Irish to Cormac Mac Duinnshléibhe' -- page 3.
Anathomia Gydo. ISBN 1870166663. Published by Irish Texts Society = Cumann na Scríbheann nGaedhilge in 2014. Publication and catalogue information, links to buy online and reader comments.