Pollen cell structures, artwork
Framed Prints
This artwork is available as
Framed Print of Pollen cell structures, artwork
Pollen cell structures. Pollen grains are the male reproductive structures produced by flowering plants. They have a double wall (intine and exine) that encloses two structures called generative nuclei (purple). The exine (outer wall) includes spines or warts, and pores (holes). Here, the pollen grain is seen before (left) and after (right) it has landed on the stigma (female part of a flower). The pollen grain then extrudes a pollen tube (lower right) which includes a tube nucleus (black). The pollen nuclei then descend the pollen tube to fertilise the female reproductive cells in the ovule and form a zygote for the seed of a new plant. Science Photo Library features Science and Medical images including photos and illustrations. © CHRISTIAN KOCH, MICROCHEMICALS/SCIENCE PHOTO LIBRARY
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Media ID 9224687
Cutaway Diagram Exine External Fertilisation Flowering Plants Internal Plant Anatomy Plant Reproduction Pollen Grain Pollen Tube Pollination Reproductive Structure Structures
Modern 14"x12" (36x31cm)
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Wood effect frame, card mounted, 10x8 fade resistant photo print. Overall outside dimensions 14x12 inches (36x31cm). Environmentally and ozone friendly, 40mm wide x 15mm Polycore® moulding has the look of real wood, is durable and light and easy to hang. Biodegradable and made with non-chlorinated gases (no toxic fumes) it is efficient; producing 100 tons of polystyrene can save 300 tons of trees! Prints are glazed with lightweight, shatterproof, optical clarity acrylic (providing the same general protection from the environment as glass). The back is stapled hardboard with a sawtooth hanger attached. Note: measurements provided are estimated outer dimensions, which include both the image and the frame. While we aim to keep sizing consistent, exact dimensions may vary slightly due to differences in print size or production requirements, which may result in a variation in the overall size (up to approximately 2.5cm (1"))
These are individually made so all sizes are approximate
Estimated Image Size (if not cropped) is 22.2cm x 19.3cm (8.7" x 7.6")
Estimated Product Size is 36cm x 31cm (14.2" x 12.2")
