结果胚胎40 d，豚鼠前庭壶腹、椭圆囊斑及球囊斑已分化，前庭上皮出现一层毛细胞及多层支持细胞；
RESULTS Ampullary cristae or macula of saccule and utricle were well differentiated in ED 40. There were a layer of hair cells and several layers of supporting cells.
目的通过记录、分析眩晕患者的前庭诱发肌源性电位(VEMP)，了解眩晕患者的球囊功能。
To record and analyze the vestibular evoked myogenic potentials (VEMP) in vertigo patients and obtain the messages of saccular function.
到胚胎第15天，椭圆囊、球囊、壶腹峪初具成熟形态，毛细胞和支持细胞也初具雏形，到出生时，前庭器官已基本发育成熟。
The shapes of utricle, saccule and crista ampullaris tended to mature at E15, and the shapes of supporting and hair cells also tended to mature. The vestibular organ was mature at P0.
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