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. Author manuscript; available in PMC: 2012 Feb 3.
Published in final edited form as: Cell Tissue Res. 2003 Nov 11;315(2):181–186. doi: 10.1007/s00441-003-0785-2

Fig. 3.

Fig. 3

A–F Representative sections from retinas of rats released into DD. A–C Animals kept in darkness for 24, 48 and 72 h at the lowest (circadian time 10 h) point of PA immunoreactivity; D–F animals kept in darkness for 24, 48 and 72 h at the highest (circadian time 18 h) point of PA immunoreactivity. The cyclic nature of immunofluorescence intensity is evident