Protea plant stem, light micrograph
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Protea plant stem, light micrograph
Protea plant stem. Light micrograph of a transverse section through a stem from the protea plant (Roupala polhii). The outer layer is the epidermis and cuticle (red), with single-celled hairs or trichomes. Below this is the lamella collenchyma (red) and a ring of vascular bundles. These bundles contain phloem, cambium, and xylem tissue. Between the vascular bundles are medullary rays of parenchyma. At the centre of the stem is the large pith of parenchyma cells (white and crimson). Magnification: x14 when printed at 10 centimetres wide
Science Photo Library features Science and Medical images including photos and illustrations
Media ID 6300267
© DR KEITH WHEELER/SCIENCE PHOTO LIBRARY
Cellular Cross Section Internal Structure Part Parts Plant Anatomy Stem Structural Tissue Transverse Cells Light Micrograph Light Microscope Protea Section Sectioned
EDITORS COMMENTS
This print showcases the intricate beauty of a Protea plant stem, as seen through a light micrograph. The image reveals a transverse section of the stem from the Roupala polhii species, offering a glimpse into its internal structure. The outer layer is composed of the epidermis and cuticle, depicted in vibrant red hues. Delicate single-celled hairs or trichomes adorn this protective layer, adding to its visual allure. Just below lies the lamella collenchyma, also colored in striking red tones, encircling a ring of vascular bundles. These vascular bundles play a crucial role in transporting nutrients throughout the plant's system. Within them reside phloem for nutrient distribution, cambium for growth and repair, and xylem for water transport. Nestled between these vital bundles are medullary rays comprised of parenchyma cells. These rays contribute to structural support while allowing for storage and transportation within the stem. At the heart of this botanical wonder lies an expansive pith made up of parenchyma cells painted in contrasting white and crimson shades. Printed at 10 centimeters wide with an impressive magnification factor of x14, this mesmerizing image captures nature's artistry on full display. It serves as both an educational tool for botany enthusiasts delving into plant anatomy and a stunning piece that celebrates biology's inherent elegance.
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