What does the concept of tiling describe? The lobes of the brain are held together with a cement-like substance similar to tiles. The ventral and dorsal pathway are parallel to each other like rows of tiles. Neurons in the retina of the eye are arranged like groups of tiles. Cortical columns work together to cover the entire visual field like a bunch of tiles.
What does the concept of tiling describe?
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The lobes of the brain are held together with a cement-like substance similar to tiles. |
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The ventral and dorsal pathway are parallel to each other like rows of tiles. |
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Neurons in the retina of the eye are arranged like groups of tiles. |
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Cortical columns work together to cover the entire visual field like a bunch of tiles. |
It is the phenomenon where neurons consist of non overlapping boundaries with their neighboring neurons, or even amongst neurites from the same neuron. From worms to mammals, a same phenomenon has been described for glial cells in the CNS and PNS. Less cellular and molecular mechanism is known behind this tiling phenomenon. The branches of axonal or dendritic arbors that innervate a surface avoid overlapping with one another. Lessening branch overlap allows arbors to innervate more territory, and avoid getting non necessary inputs.
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