Comparison of the morphology of 5 wk virgin, 10 wk virgin, pregnant day 8, and pregnant day 15 mammary glands. Whole mounts of inguinal mammary glands stained with carmine alum from (A-B) 5 wk SFRP1+/+, (C-D) 5wk SFRP1−/−, (E-F) 10 wk SFRP1+/+, (G-H) 10 wk SFRP1−/−, (I-J) wt P8, and (K-L) wt P15 females. (B,D,F,H,J,L) Shown medium magnification (200X) of selection from adjacent low magnification left panel (40X). Tissue was harvested from and assessed in 6 animals/genotype.
Gauger et al. BMC Developmental Biology 2012 12:25 doi:10.1186/1471-213X-12-25