... (20-4) was selected for these comparisons because the effect of lMAN lesions on the incidence of pyknosis within RA was maximal in this group of 20-day-old birds. Although groups of adult birds were sacrificed at 2, 4, or 6 days post-lesion (for direct comparison to the 20-day-old birds), data from...

... at the retinal periphery by 4WAH. Neuronal pyknosis in the ganglion cell layer was observed between E9 and E17. From Ell onwards, consistently more pyknotic neurones were found in the peripheral than in the central retina. It was estimated that over the period of cell death approximately twice as many neurones...