在此背根神經節切片中，綠色的細胞表達發光蛋白，當暴露於腔腸素（coelenterazine, CTZ）時，能驅動神經元的激活。 A section of a DRG where the green-labeled cells express luminopsin that drives neuron activation when exposed to the luciferase substrate coelenterazine (CTZ).
