hog:0001165 retinal photoreceptor layerhog:0001166 retinal ganglion cell layerhog:0001167 retinal inner nuclear layerhog:0001168 retinal inner plexiform layerhog:0001169 retina nerve fiber layerhog:0001170 retinal outer nuclear layerhog:0001171 retinal outer plexiform layerBFO:0000050 part of
tao:0000046