這可能是基於五羥色胺本身的物理化學性質,使它更容易被細胞獲得和合成,或者也可能完全是意外的因素導致的。總之,神經系統首先選擇了五羥色胺受體來承擔複雜的調節功能,由此形成了現在的五羥色胺受體系統。
參考文獻
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