Figure 5
From: Two waves of anisotropic growth generate enlarged follicles in the spiny mouse
Acomys spine morphogenesis. Pan-Keratin (red) and Laminin (green) immunostaining of lower back embryonic skin at the placode stage at E24 (A), the hair peg stage at E26 (B) and at E29 (C, arrow: IRS cone), and the bulbous peg stage at E32 (D, arrow: bulge, dashed arrow: sebaceous gland). (E–G) Laminin-stained transverse sections of E32, E34, and E36 embryonic skin showing the evolving shape of the DP. (H) Longitudinal section of two follicles at E36 stained with BrdU and K71. Scale bars: 50 μm. (I) Anagen hair on the lower back of Mus musculus (P4) and spine on the lower back of Acomys dimidiatus (P7 and P28); arrows: IRS. Scale bar: 200 μm.