Pollen grains, artwork
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Pollen grains, artwork
Pollen grains. Artwork of pollen grains from different flowers. The outer wall (exine) of each pollen grain is highly sculpted to aid their dispersal. A flowering plant produces many pollen grains which need to be dispersed. This dispersal may happen as the spiky exine sticks to a pollinator such as a bee, or the grains may be disperse on the wind. Each pollen grain contains a male gamete (reproductive cell) that is intended to fertilise the ovule or egg (female gamete) of another plant of that species, forming the seed for a new plant. High pollen levels can trigger allergic reactions such as hay fever
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 9224905
© CHRISTIAN KOCH, MICROCHEMICALS/SCIENCE PHOTO LIBRARY
Allergen Allergens Exine Flowering Plants Grains Plant Reproduction Pollen Pollen Grain Pollination Reproductive Structure Wind Dispersal
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