regulates regulates biological regulation regulation of establishment of planar polarity establishment of planar polarity involved in neural tube closure regulation of establishment of planar polarity involved in neural tube closure biological_process 2009-12-14T11:14:27Z tb GO:0090178 Any process that modulates the rate, frequency, or extent of the establishment of planar polarity involved in neural tube closure, the coordinated organization of groups of cells in the plane of an epithelium that contributes to the closure of the neural tube.