part of part of in taxon results in development of mammary gland development anatomical structure development mammary gland fat development dph The progression of the mammary gland fat over time, from its formation to the mature structure. The mammary fat is an adipose structure in the gland that is invaded by the mammary ducts. GO:0060611 2009-05-15T12:27:57Z adipose tissue development Mammalia mammary gland fat