Sweat pore, coloured scanning electron micrograph (SEM).

人体汗腺。彩色扫描电子显微摄影(sem)。

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Human tongue surface, coloured scanning electron micrograph (SEM).

人体舌头表面。彩色扫描电子显微摄影(sem)。

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Scanning electron micrograph of the end of a bee's (Apis sp.) abdomen showing the stinger.

彩色扫描电子显微镜下的蜜蜂腹部的刺。

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