has part has result has context ground glass apperance [toxic corse] hyperfunction of phenobarbital metabolism phase I by Cytochrome P450 [Ground glass appearance] hyperfunction of glucuronic acid conjugation for phenobarbital intermediate metabolite [Ground glass appearance (moderate) ] hyperfunction of phenobarbital metabolism phase I by Cytochrome P450 [Ground glass appearance (moderate) ] Hyperfunction of phenobarbital metabolism phase I by Cytochrome P450 is a subtype of hyperfunction of drug metabolism phase I: A process that performs an excesssive phenobarbital metabolism phase I by Cytochrome P450. And the degree is moderate. This entity is a specific course-dependent process. This process can constitute the course of Ground glass appearance (moderate) . hyperfunction of cytochrome p450 gene expression  by phenobarbital [Ground glass appearance (moderate) ] constitutive androstane receptor activation by phenobarbital (moderate) [Ground glass appearance ]