"The process in which the branching structure of the mammary gland duct is generated and organized. The mammary gland is a large compound sebaceous gland that in female mammals is modified to secrete milk."@en . "branching involved in mammary gland duct morphogenesis"@en . "branching involved in mammary gland duct morphogenesis"@en . "branching involved in mammary gland duct morphogenesis"@en . . .