Description
舌头分辨味道主要是靠味蕾。味蕾分布在舌头上，特别是舌尖和舌的两个侧面。一般人大约有１万多个味蕾，它是接受味道刺激的感受器。味蕾又是由味觉细胞组成。当食物进入口腔，经过我们的咀嚼，食物的味道便溶解在唾液中，刺激味觉细胞，引起神经冲动，通过神经传入大脑皮层的味觉区，于是就形成了味觉。
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