a cap-like structure derived from the Golgi apparatus that covers the anterior half of the head in sperm cells, containing enzymes that help the sperm penetrate the egg.
精子の頭部を覆うゴルジ体由来のキャップ状構造で、卵子を貫通するのを助ける酵素を含む
The acrosome reaction is crucial for fertilization.
