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なかむらレディースクリニック：http://towako-nakamura.com 透明帯は卵子細胞質を覆うタンパク質の膜です。その役割は、受精・発育の補助など多岐に渡ります。ところが時折、透明帯を欠失した(Zona free)卵子が得られることがあります。受精卵観察システム(CCM-iBIS: astec)を用いて、顕微受精実施後のZona free卵子が発育する様子を観察しました。 2021年撮影

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