constitutional_part_of regional_part_of systemic_part_of Intralobular stroma of lactiferous gland 6.5.01: This is present only in the lactating gland. Dense connective tissue of mammary gland FMA:55270 fma Right mammary gland Left mammary gland Lobule of lactiferous gland Lobule of non-lactating gland Lobule of lactating gland Stroma of lactiferous gland Region of stroma of lactiferous gland