Contact: Catherine Kolf
ckolf@jhmi.edu
443-287-2251
Johns Hopkins Medicine
Caption: Immature mammary glands from a female (left) and male (right) mouse after the nerve cells (yellow) have retracted from the male tissue. Mammary gland cells labeled in blue.
Credit: Yin Liu
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Related news release: His and hers: Male hormones control differences in mammary gland nerve growth