Allergen Photograph - Ragweed Pollen by Eye of Science

Ragweed Pollen is a photograph by Eye of Science which was uploaded on July 15th, 2014.

Ragweed Pollen

Coloured SEM of pollen grains from the common ragweed, (Ambrosia artemisiifolia), covered in fine dust. The grains have a spiked outer wall (exine),... more

by Eye of Science

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Title

Ragweed Pollen

Artist

Eye of Science

Medium

Photograph

Description

Coloured SEM of pollen grains from the common ragweed, (Ambrosia artemisiifolia), covered in fine dust. The grains have a spiked outer wall (exine), which may assist in their dispersal by improving their adherence to pollinating insects. The characteristic surface of pollen grains is used by botanists to recognise and classify plants. Each pollen grain contains a male gamete (reproductive cell) that is intended to fertilise an egg or ovule (female gamete), and initiate the formation of a seed for a new plant. These pollen grains are an allergen that may cause hay fever in susceptible individuals. Magnification x2800 when printed at 10 centimetres wide.

Uploaded

July 15th, 2014