To capture this image, Springer induced the amoeba cells to undergo multicellular development on agar plates that were then held obliquely in a clamp under a stereo dissection microscope.

• 斯普林格为了拍摄这张图片，他诱使琼指平板上的变形虫细胞进行多细胞发育，然后用一个夹钳把它倾斜放在立体解剖显微镜下。