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. 25.18. - . M Ρ 95 135 ( 95 135). . , . Fig. 25.18. Absence of Competition for Territory by Magno- and Parvocellular Retinogeniculate Axons. Labeled optic nerve fibers ending in M and Ρ layers of monkey lateral geniculate nucleus continue to grow during embryonic days 95 to 135 (E95 to E135). From the outset axons are confined to their appropriate layers without showing spread into adjacent layers of retraction during development. Thus, M and Ρ fibers show no competition for space. (After Meissirel et al., 1997.)

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