A compound of iodine with casein, in which the iodine is attached to tyrosine molecules; possesses thyroxine activity. ... (05 Mar 2000) ... 
Type: Term Pronunciation: ī-ō′dō-kā′sēn Definitions: 1. A compound of iodine with casein, in which the iodine is attached to tyrosine molecules; possesses thyroxine activity.