The ears are a pair of sensory organs whose primary functions are hearing and balance. They are divided into three portions: the outer ear, the middle ear, and the inner ear. Each has an intricate ...

哺乳动物的内耳如同一个精密的 “小宇宙”，由五个神经感觉前庭器官和一个听觉器官组成。其中，椭圆囊（utricle）和球囊这两个耳石器官，就像精准的 “方向探测器”，分别负责检测水平和垂直平面的线性加速度。而毛细胞（hair cells）则是这个 “探测器 ...