Lily anther, polar light micrograph

Lily anther, polar light micrograph

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Caption: Lily anther. Polar light micrograph of a cross-section through a lily flower anther (Lilium sp.), showing four anther sacs (round structures). The anther sacs, or pollen sacs, are filled with developing pollen grains, or male sex cells (speckled regions inside the circles). The inside of the anther wall produces a nutrient fluid to nourish the pollen mother cells, from which these grains are derived. When the pollen grains are mature, the anther walls split to release them. Magnification: x44 when printed 10 centimetres wide.

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Keywords: anatomical, anatomy, anther, anthers, biological, biology, botanical, botany, bud, cell, cells, close-up, cross section, cross-section, detail, developing, flora, flower, flowering part, grain, internal, light micrograph, light microscope, lilium sp., lily, lily bud, male sex cells, nature, parts, plant, plant anatomy, plants, polar light micrograph, polar light microscope, polarised, polarized, pollen, pollen grains, pollen mother cell, pollen sac, reproduction, reproductive, sacs, sex cell, structure, structures

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