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Figure 10


Fig. 10. Increased motoneuron survival in {gamma}-/- embryos. Cross-sections of cervical spinal cords (C3-C8) from wild-type (A) and {gamma}-/- (B) embryos (E18.5) were stained with Cresyl Violet. Motoneurons were identified in the ventral horn (within the region marked by broken lines) and their numbers were counted for each genotype. The total numbers of motoneurons from these segments (C3-C8) were presented in the bar graph (C). There were significantly more (65% increase) motoneurons in the {gamma}-/- embryos (7473±283, n=3) than in the wild-type embryos (4539±247, n=3) (**P<0.001, Student's t-test). Scale bar: 100 µm.