Sycamore leaf vein, light micrograph
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Sycamore leaf vein, light micrograph
Sycamore leaf vein. Light micrograph of a section through the midrib (vein) of a leaf from a sycamore (Acer pseudoplatanus) tree. In the centre of the midrib is a ring of seventeen vascular bundles: xylem (red) and phloem (deep blue) vessels. Around the vascular ring is supporting sclerenchyma tissue (deep red) and surrounding that is parenchyma (light blue). Under the two epidermiss (outer layers) is a flexible supporting layer of collenchyma (red). The leaf lamina is the typical structure of a mesophytic dicotyledon with one layer of palisade mesophyll (deep red) on top of the lower layer of spongy mesophyll (red-blue). Magnification: x37 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6339285
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Acer Pseudoplatanus Bundles Cell Biology Collenchyma Cytological Cytology Dicot Dicots Dicotyledon Dicotyledons Epidermis Ground Tissue Histological Histology Lamina Layer Layers Microscopy Mid Rib Palisade Mesophyll Parenchyma Phloem Sclerenchyma Spongy Mesophyll Stain Stained Structural Structures Supporting Supportive Sycamore Tissue Vascular Bundle Vessel Vessels Xylem Cells Light Micrograph Light Microscope Section Sectioned Vein
EDITORS COMMENTS
This print showcases the intricate structure of a sycamore leaf vein, as seen through a light micrograph. The image reveals a section through the midrib (vein) of the leaf, providing an up-close look at its cellular composition. At the center of the midrib lies a ring consisting of seventeen vascular bundles, distinguished by their vibrant colors: xylem vessels appear in striking red while phloem vessels are depicted in deep blue. Surrounding this vascular ring is supporting sclerenchyma tissue displayed in deep red hues, with parenchyma tissue appearing in light blue shades beyond that. Beneath the two outer layers called epidermis lies a flexible layer known as collenchyma, portrayed vividly in red tones. The leaf lamina exhibits the typical structure found in mesophytic dicotyledons, featuring one layer of palisade mesophyll on top and another layer of spongy mesophyll below it. These layers are represented respectively by deep red and red-blue colors. With its meticulous staining technique and high magnification power (x37 when printed 10 centimeters wide), this photograph provides invaluable insights into plant biology and histology. It offers viewers an opportunity to appreciate both the beauty and complexity present within nature's smallest structures.
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