Oleander leaf, light micrograph
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Oleander leaf, light micrograph
Oleander leaf. Light micrograph of a section through the leaf of an oleander (Nerium oleander) tree, showing its sunken stomata (gaps, lower left and right). Oleander is a xerophyte - a plant that is adapted to survive in arid conditions. The outer epidermis of the leaf is covered with a thick cuticle on both surfaces. Under this there are several layers of palisade mesophyll containing numerous chloroplasts. The lower epidermis has hollows full of hairs and stomata (pores) to cut down on water loss. Above the lower epidermis is a spongy mesophyll layer. At centre is midrib containing the phloem vessels that carry sugar, and xylem vessels that carry water and minerals. Magnification: x37 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6339691
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Adapted Cell Biology Chloroplast Cuticle Cytological Cytology Dicot Dicots Dicotyledon Dicotyledons Epidermis Histological Histology Layer Layers Microscopy Mid Rib Nerium Oleander Palisade Mesophyll Spongy Mesophyll Stain Stained Structural Structures Tissue Vessels Water Loss Xerophyte Xerophytic Xylem Vessels Cells Light Micrograph Light Microscope Oleander Section Sectioned
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