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Fig. 5. In the absence of En2, expression of mouse En2 but not
Drosophila en in place of En1 can rescue mes/r1 defects.
Stained sagittal sections of wild-type (wt) (A,G),
En12ki/2ki;En2-/+ (B,H),
En12ki/2ki;En2-/- (C,I),
En12ki/-;En2-/- (D,J),
En1Denki/Denki;En2-/+ (E,K), and
En1Denki/+;En2-/- (F,L) at the
level of the vermis (A-F) and hemispheres (G-L). A-C,E,G-I,K are stained with
Cresyl Violet; D,F,J,L with Hematoxylin and Eosin. For comparison, the
En2-/- phenotype is shown in
Fig. 4. See
Fig. 2 legend for midbrain and
cerebellum annotation, and Fig.
4 legend for key to asterisks and arrows.