Mammary gland with interlobular duct, lactating.

The lumens of the secretary acini are filled with eosinophilic material (milk)in this section. Some of the acini have fused together. The interlobular duct, surrounded by connective tissue, is made up of stratified cuboidal epithelium. PK4892B-07. Original mag. H&E. Lactating mammary gland. Female Reproductive System