part of part of abdomen mammary gland abdominal mammary gland Female mice normally have five pairs of nipples and mammary glands, three in the thoracic and two in the abdominal region. (There is an additional abdominal pair in female rats.) http://www.informatics.jax.org/greenbook/chapters/chapter13.shtml SCTID:113191002 lobe of breast of abdomen abdomen mammary gland MA:0000787 abdomen lobe of breast UBERON:0003488 abdomen lactiferous gland abdomen lobe of mammary gland lactiferous gland of abdomen mammary gland of abdomen lobe of mammary gland of abdomen A lactiferous gland that is part of the abdominal region [Automatically generated definition]. EMAPA:36507 SCTID:68037003 abdomen element