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Granos de polen al microscopio

A scanning electron micrograph shows numerous spiky, mustard-yellow pollen grains scattered against a dark background, with one smooth, tricolpate grain positioned near the center.

Pollen grains in a scanning electron micrograph, spiky echinate spheres with one smooth tricolpate grain among them, spines and surface pitting crisp, false-coloured mustard yellow on a dark ground, 1500x magnification. Ver más

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A scanning electron micrograph of a single, spiny, spherical pollen grain resting on a smooth, dark surface with a scale bar in the bottom right corner.

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