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- Title
Enkephalin-immunoreactive ganglion cells in the pigeon retina.
- Authors
Britto, Luiz R. G.; Hamassaki-Britto, Dȃnia E.
- Abstract
A small number of enkephalin-like immunoreactive cells were observed in the ganglion cell layer of the pigeon retina. Many of these neurons were identified as ganglion cells, since they were retrogradely labeled after injections of fluorescent latex microspheres in the contralateral optic tectum. These ganglion cells were mainly distributed in the inferior retina, and their soma sizes ranged from 12–26 μm in the largest axis. The enkephalin-containing ganglion cells appear to represent only a very small percentage of the ganglion cells projecting to the optic tectum (less than 0.1%). Two to 7 weeks after removal of the neural retina, there was an almost complete elimination of an enkephalin-like immunoreactive plexus in layer 3 of the contralateral, rostrodorsal optic tectum. These data provide evidence for the existence of a population of enkephalinergic retinal ganglion cells with projections to the optic tectum.
- Publication
Visual Neuroscience, 1992, Vol 9, Issue 3/4, p389
- ISSN
0952-5238
- Publication type
Article
- DOI
10.1017/S0952523800010798