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THE MORPHOLOGY OF THE SHEEP RETINA
Author(s) -
NILSSON SVEN ERIK G.,
KNAVE BENGT G.,
LUNT TÖNIS,
PERSSON HANS E.
Publication year - 1973
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/j.1755-3768.1973.tb06040.x
Subject(s) - inner plexiform layer , retina , ganglion , ultrastructure , inner nuclear layer , giant retinal ganglion cells , neuroscience , parasol cell , outer plexiform layer , ganglion cell layer , amacrine cell , biology , intrinsically photosensitive retinal ganglion cells , anatomy , cell type , microbiology and biotechnology , chemistry , cell , retinal ganglion cell , genetics
The aim of the present study was to provide an ultrastructural basis necessary for the full understanding of recent electroretinographic observations on normal sheep and on sheep where the retinal [unction was influenced by certain drugs and toxic substances. The ultrastructure of the inner nuclear layer, the ganglion cell layer and the plexiform layers of the sheep retina is described. The horizontal cells were rather few, and only one type was observed. Two types of bipolar cells were found. The number of amacrine cells was quite large, indicating well developed lateral connections in the inner plexiform layer. Few ganglion cells were seen. The synaptic contacts between the receptor cells, the horizontal cells and the bipolar cells as well as the synaptic contacts between the bipolar cells, the ganglion cells and the amacrine cells are discussed in relation to findings on other species.