Visualization of dendrito-genesis and -apoptosis within the retino-retinal projection. A,B, Typical dendrites at E9. C, Onset of karyo-apoptosis (condensed, irregularly shaped perikaryon) and dendrito-apoptosis (irregular varicosities, swellings along the branches) in a cell at E14. D, E, Advanced stages of apoptosis including both the perikarya and the dendrites at E14. Scale bar, 25 μm.