Squash leaf, SEM C016 / 9464

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Squash leaf, SEM C016 / 9464

Squash leaf. Coloured scanning electron micrograph (SEM) of the underside of a squash (Curcubita maxima) leaf, showing trichomes (mushroom-shaped) and a stoma (slit, upper centre). Trichomes are tiny hair-like structures that can be glandular, secreting oils or other substances, or structural for defence. Stomata are pores that are the site of gaseous exchange in the plant. The opening and closing of the stomata is controlled by semicircular guard cells (dark), which swell and become turgid to close the openings

Science Photo Library features Science and Medical images including photos and illustrations

Media ID 9243483

© AMI IMAGES/SCIENCE PHOTO LIBRARY

Colored Guard Cell Hair Hairs Plants Pore Squash Stoma Stomata Structures Surface Structure Trichome Trichomes Underside Cells

EDITORS COMMENTS
This print showcases the intricate beauty of a squash leaf, captured through a scanning electron microscope (SEM). The image reveals the mesmerizing details of the leaf's underside, where numerous trichomes and a stoma are prominently displayed. Trichomes, which resemble tiny mushroom-shaped hairs, serve various functions in plants. Some trichomes secrete oils or other substances while others act as structural defenses. Meanwhile, stomata - visible as a slit at the upper center - are essential pores responsible for gaseous exchange within the plant. The SEM image also highlights the role of semicircular guard cells in regulating stomatal openings. These dark-hued cells control the opening and closing mechanism by swelling and becoming turgid when necessary to seal off or allow passage through these vital portals. Through this vividly colored photograph, we gain an appreciation for nature's remarkable cellular architecture and botanical wonders. It offers us an intimate glimpse into the hidden world beneath our feet – revealing how even seemingly ordinary leaves possess extraordinary complexity and functionality. This stunning visual representation not only serves as an educational tool for botany enthusiasts but also ignites curiosity about plant anatomy among those who may have never considered it before. AMI IMAGES/SCIENCE PHOTO LIBRARY has masterfully captured this snapshot of natural artistry that celebrates both science and nature's boundless creativity.

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