Search results
Results from the WOW.Com Content Network
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]
Lateral inhibition is described as a part of the Notch signaling pathway, a type of cell–cell interaction. Specifically, during asymmetric cell division one daughter cell adopts a particular fate that causes it to be copy of the original cell and the other daughter cell is inhibited from becoming a copy.
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.
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).
Midget bipolars are linked to one cone while diffuse bipolars take groups of receptors. Diffuse bipolars can take signals from up to 50 rods or can be a flat cone form and take signals from seven cones. The bipolar cells corresponds to the intermediary cells between the touch and heat receptors on the skin and the medulla or spinal cord. [1]
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 mastoid antrum (tympanic antrum, antrum mastoideum, Valsalva's antrum) is an air space in the petrous portion of the temporal bone, communicating posteriorly with the mastoid cells and anteriorly with the epitympanic recess of the middle ear via the aditus to mastoid antrum (entrance to the mastoid antrum). These air spaces function as ...
The calcium imaging showed ganglion cells initiating the formation of retinal waves, along with adjacent amacrine cells, which take part in the movement of the electrical activity. Microelectrode recordings were also thought to show LGN neurons being driven by the wave-like formation of electrical activity across neighboring retinal ganglion cells.