Sage leaf oil glands, SEM

Sage leaf oil glands, SEM

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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Caption: Sage leaf oil glands. Coloured scanning electron micrograph (SEM) of a freeze-fracture through a sage leaf (Salvia officinalis), showing hairs, or trichomes, (green, thin) and oil glands (red, round) in the leaf. The oil glands are modified glandular hairs that secrete the oils associated with the odour and essence of sage. Sage leaves are used in cooking and herbal medicine. Magnification: x35 when printed 10 cm wide.

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Keywords: anatomical, anatomy, aromatic, biological, biology, botanical, botany, coloured, culinary, false-coloured, freeze-fracture, freeze-fractured, hair, hairs, herb, leaf, medicinal, modified, nature, oil gland, oil glands, sage, salvia officinalis, scanning electron micrograph, scanning electron microscope, secretory, sem, trichome, trichomes

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