Horse-chestnut leaf, light micrograph
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Horse-chestnut leaf, light micrograph
Horse-chestnut leaf. Light micrograph of a section through a leaf from a horse-chestnut, or conker, tree (Aesculus hippocastanum). This section was taken parallel to the lower epidermis of the leaf, and shows the cells of the spongy mesophyll. These cells are arranged like a sponge with a network of air spaces, to allow gas exchange for photosynthesis and respiration, and the movement of moist air for transpiration. The arm-like cells link together and contain chloroplasts for photosynthesis, and storage starch. Veins (darker tubular areas) bring water and minerals in through the xylem and take away food products in the phloem. Magnification: x70 when printed 10 centimetres wide
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Media ID 6339917
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Aesculus Hippocastanum Air Spaces Cell Biology Chloroplasts Conker Cytological Cytology Deciduous Dicot Dicots Dicotyledon Dicotyledons Gas Exchange Histological Histology Horse Chestnut Microscopy Net Work Photosynthesis Photosynthetic Respiration Spongy Mesophyll Stain Stained Structural Structures Tissue Transpiration Veins Cells Light Micrograph Light Microscope Section Sectioned Vein
EDITORS COMMENTS
This print showcases a close-up view of a Horse-chestnut leaf, revealing its intricate cellular structure. Taken parallel to the lower epidermis, the image unveils the spongy mesophyll cells that form a sponge-like network with air spaces. These specialized cells facilitate gas exchange for photosynthesis and respiration while allowing the movement of moist air for transpiration. The arm-like cells interconnect and house chloroplasts responsible for photosynthesis as well as storage starch. The darker tubular areas represent veins that play crucial roles in nutrient transport within the leaf. Through xylem, water and minerals are brought into the leaf, while phloem carries away food products produced during photosynthesis. This microscopic snapshot offers insight into the complex vascular system supporting plant growth and survival. With a magnification of x70 when printed 10 centimeters wide, this stunning image captures every minute detail of this deciduous tree's leaf structure. It provides an opportunity to delve into botany, biology, cytology, and histology by exploring various aspects such as cell organization, gas exchange mechanisms, and tissue functionality. This remarkable photograph from Science Photo Library serves not only as an aesthetic masterpiece but also as a valuable educational resource for anyone seeking to understand the intricacies of plant anatomy at a microscopic level.
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