Ginkgo leaf stalk, light micrograph
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Ginkgo leaf stalk, light micrograph
Ginkgo leaf stalk. Light micrograph of a transverse section through the leaf stalk (petiole) of a ginkgo tree (Ginkgo biloba). The outer epidermis (black-brown) surrounds the cortex, which consists of parenchyma cells (blue) with inter-cellular spaces and resin canals (white spacess) characteristic of gymnosperms. The kidney-shaped vascular cylinder (centre) is surrounded by a single-layer endodermis, inside which are the tracheid cells (red) of the xylem and the sieve cells (blue and light orange) of the phloem. Magnification: x14 when printed 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6300157
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Canals Cell Biology Cortex Cytology Endodermis Epidermis Gingko Ginkgo Gymnosperm Gymnosperms Maidenhair Tree Parenchyma Petiole Phloem Plant Structure Resin Canal Spaces Stalk Stem Support Supportive Tracheid Tracheids Transverse Section Vascular Bundle Xylem Cells Light Micrograph Light Microscope Sectioned
EDITORS COMMENTS
This print showcases the intricate structure of a ginkgo leaf stalk, as seen under a light microscope. The transverse section reveals the various components that make up this vital part of the tree's anatomy. The outer epidermis, depicted in black-brown hues, acts as a protective layer surrounding the cortex. Within the cortex, we can observe parenchyma cells colored in blue, interspersed with inter-cellular spaces and resin canals represented by white spaces. These unique characteristics are typical of gymnosperms like the ginkgo tree. At the center of this micrograph lies a kidney-shaped vascular cylinder encased by a single-layer endodermis. Inside this protective layer reside tracheid cells portrayed in red, which form part of the xylem responsible for water transport within plants. Adjacent to them are sieve cells depicted in shades of blue and light orange representing phloem tissue involved in nutrient distribution. With a magnification factor of x14 when printed at 10 centimeters wide, this image provides an up-close view into plant biology and highlights key structural elements such as cortex composition and vascular bundle arrangement. This stunning photograph is brought to you by Science Photo Library—a testament to their commitment to capturing nature's wonders through scientific exploration without any commercial implications mentioned or intended use specified.
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