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Around 15% of amacrine cells are neither GABAergic or glycinergic. [2] These amacrine cells are sometimes known as nGnG amacrine cells, and it is thought that transcription factors that act on progenitors decide the fate of amacrine cells. One transcription factor that was found to be selectively expressed in nGnG amacrine cells is Neurod6 [5]
The central rod will send the light signals directly to bipolar cells which in turn will relay the signal to the ganglion cells. [17] Amacrine cells also produce lateral inhibition to bipolar cells [18] and ganglion cells to perform various visual computations including image sharpening. [19]
Parietal epithelial cell (PEC) Podocyte; Angioblast → Endothelial cell; Mesangial cell. Intraglomerular; Extraglomerular; Juxtaglomerular cell; Macula densa cell; Stromal cell → Interstitial cell → Telocytes; Kidney proximal tubule brush border cell; Kidney distal tubule cell; Connecting tubule cells; α-intercalated cell; β-intercalated ...
AII (A2) amacrine cells are a subtype of amacrine cells. Amacrine cells are neurons that exist in the retina of mammals to assist in interpreting photoreceptive signals. AII amacrine cells serve the critical role of transferring light signals from rod photoreceptors to the retinal ganglion cells (which contain the axons of the optic nerve).
Horizontal cells provide inhibitory feedback to rod and cone photoreceptors. [1] [2] They are thought to be important for the antagonistic center-surround property of the receptive fields of many types of retinal ganglion cells. [3] Other retinal neurons include photoreceptor cells, bipolar cells, amacrine cells, and retinal ganglion cells.
The amacrine cells are placed in the inner part of the inner nuclear layer, and are so named because they have not yet been shown to possess axis-cylinder processes. Their dendrites undergo extensive ramification in the inner plexiform layer.
Bipolar cells effectively transfer information from rods and cones to ganglion cells. The horizontal cells and the amacrine cells complicate matters somewhat. The horizontal cells introduce lateral inhibition to the dendrites and give rise to the center-surround inhibition which is apparent in retinal receptive fields.
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