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Agnew also found that the hellbender sperm cell—like those of other amphibian species—boasts a ribbon of tissue encircling the tail. Agnew發(fā)現(xiàn)隱鰓鯢的精細(xì)胞和其他的兩棲類動(dòng)物的一樣都有特色的帶狀薄膜纏尾。