Figure 3. Expression patterns of five cell adhesion molecules.

A–E. In situ hybridization with each probe was conducted in the sSC at ~P10 (left) and ~P18 (right). The positions of pSGS and pSO are indicated by brackets. A. Expression of cadherin 7 (Cdh7) was predominantly confined to a superficial layer of sSC. B. Expression of netrin G2 (Ntng2) was found in both superficial and deep layers, with a gap in between. C. Expression of contactin 3 (Cntn3) was most abundant in a superficial layer. D. Expression of cadherin 6 (Cdh6) was detectable in both superficial and deep layers at ~P10. The expression in the deep layer decreased at ~P18. E. Expression of Pcdh20 was found in both superficial and deep layers, with a gap in between at ~P10. The expression in the deep layer decreased at ~P18. Scale bar: 200 μm.