Parenchyma Collection (page 3)

Broad bean root, light micrograph
Broad bean root. Light micrograph of a transverse section through the young root of a broad bean (Vicia faba) plant. The outer epidermis is covered in root hairs

Common broom stem, light micrograph
Common broom stem. Light micrograph of a transverse section through the stem of a common broom (Salicornia europaea) plant

Ash stem, light micrograph
Ash stem. Light micrograph of a transverse section through the woody stem of an ash (Fraxinus excelsior) tree showing four growth rings (concentric circles)

Dyers greenweed stem, light micrograph
Dyers greenweed stem. Polarised light micrograph of a transverse section through the stem of a dyers greenweed (Genista tinctoria) plant

Yew tree root, light micrograph
Yew tree root. Light micrograph of a transverse section through a root of a yew tree, (Taxus baccata). Most of the outer cortex (dark blue)

Marsh samphire stem, light micrograph
Marsh samphire stem. Light micrograph of a transverse section through the stem of a marsh samphire, (Salicornia europaea) plant. This is a succulent, xerophytic, halophyte plant

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)

Sunflower root, light micrograph
Sunflower root. Polarised light micrograph of a transverse section through the root of a sunflower (Helianthus annuus) plant

Buttercup root, light micrograph
Buttercup root. Light micrograph of a transverse section through the root of a buttercup (Ranunculus sp.) plant. At centre is the vascular bundle, comprising xylem (red) and phloem (blue) tissues

Tomato root, light micrograph
Tomato root. Light micrograph of a transverse section through the centre root of a tomato (Lycopersicum esculentum) plant. Xylem cells, which transport water around the plant, are red

Squash root, light micrograph
Squash root. Light micrograph of a transverse section through a squash (Cucubita sp.) root. The large vessels (red) are xylem cells, which transport water. Parenchyma tissue is blue

Sunflower stem, light micrograph
Sunflower stem. Light micrograph of a transverse section through the stem of a sunflower (Helianthus annuus) plant, showing a vascular bundle

Elder tree stem, light micrograph
Elder tree stem. Light micrograph of a transverse section through the very young woody stem of an elder (Sambuca nigra) tree

Radish root, light micrograph
Radish root. Light micrograph of a transverse section through the root of a radish (Raphanus sativa) plant. The outer layer is cork cambium (red)

Rhubarb leaf, light micrograph
Rhubarb leaf. Polarised light micrograph of a longitudinal section through a rhubarb (Rheum sp.) leaf. The dark blue structure is a vascular bundle

Mahogany wood structure, light micrograph
Mahogany wood structure. Polarised light micrograph of a longitudinal tangential section through a woody stem (xylem) of a mahogany (Swietenia sp.) tree

Birch stem, light micrograph
Birch stem. Light micrograph of a transverse section through the woody stem of a birch (Betula alba) tree, showing a portion of the xylem including some of the pith (bottom left)

Dry rot fungus. Dry rot, unlike its name suggests, infects damp timber. The term refers to the growth of either of two fungi

Rotten wood, SEM
Rotten wood. Coloured scanning electron micrograph (SEM) of a piece of domestic plywood infected with dry rot fungus. The structure of the wood is seen here

Grass stem, SEM
Grass stem. Coloured scanning electron micrograph (SEM) of a section through a grass stem (family Graminaceae). At upper centre is the vascular bundle

Mistletoe vascular bundle, LM
Mistletoe vascular bundle. Light micrograph (LM) of a section of mistletoe (Viscum album) stem in cross-section, showing a vascular bundle

Buttercup stem, light micrograph
Buttercup stem. Coloured light micrograph of a section through a buttercup stem (Ranunculus sp.) showing the circular-shaped vascular bundle (right)

Mistletoe stem, LM
Mistletoe stem. Light micrograph (LM) of a mistletoe (Viscum album) stem in cross-section, showing nine vascular bundles radiating out from the centre of the stem

Compound starch grains, light micrograph
Compound starch grains. Light micrograph of compound starch grains in the parenchyma cells of Phajus glandifolius, taken under polarised light

Water lily leaf stalk, light micrograph
Water lily leaf stalk. Light micrograph of a transverse section through the leaf stalk (petiole) of a water lily (Nymphaea sp.). All aquatic plants (hydrophytes) have a similar structure

Pondweed stem, light micrograph
Pondweed stem. Light micrograph of a transverse section through the stem of a pondweed (Potamogeton sp.) plant. All aquatic plants (hydrophytes) have a similar stem structure

Waterweed stem, light micrograph
Waterweed stem. Polarised light micrograph of a transverse section through a stem of the aquatic western waterweed (Elodea nuttallii) plant

Mistletoe stem, light micrograph
Mistletoe stem. Polarised light micrograph of a transverse section through the stem of a mistletoe (Viscum album) plant. The epidermis (outer layer)

Mares tail stem, light micrograph
Mares tail stem. Polarised light micrograph of a transverse section through a stem of the aquatic mares tail (Hippuris vulgaris) plant. All aquatic plants (hydrophytes) have a similar stem structure

Grape root, light micrograph
Grape root. Light micrograph of a transverse section through a grape vine (Vitis sp.) root. At centre are xylem (red) and tracheid (green) cells, which transport water around the plant

Sweet potato stem, light micrograph
Sweet potato stem. Light micrograph of a transverse section through part of a sweet potato (Ipomoea batatas) stem. At bottom is a large area of pith, consisting of parenchyma cells

Sweet potato root, light micrograph
Sweet potato root. Light micrograph of a transverse section through the centre of a sweet potato (Ipomoea batatas) root. Xylem cells, which transport water around the plant, are red

Clematis stem, light micrograph
Clematis stem. Light micrograph of a transverse section through the stem of a clematis (Clematis flammula) plant. At the centre of the stem is a large area of pith, consisting of parenchyma cells

Liana stem, light micrograph
Liana stem. Light micrograph of a transverse section through the stem of a liana (Aristolochia tormentosa), or woody vine. At the centre of the stem is the pith, consisting of parenchyma cells

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Parenchyma is a vital tissue found in various parts of plants, playing essential roles in their growth and development. From the pine stem to the castor oil stem, parenchyma cells can be observed under a light microscope, revealing their unique structures and functions. In the light micrograph of a pine stem, clusters cells can be seen scattered throughout the tissue. These cells appear as small, round structures with thin cell walls. Similarly, in the lime tree stem and castor oil stem micrographs, parenchyma cells are visible as interconnected networks that provide support and storage for nutrients. Moving on to Picture No. 11675585, we witness another fascinating aspect - its presence in English oak leaf pores. Under scanning electron microscopy (SEM), these tiny openings reveal intricate patterns formed by specialized parenchyma cells responsible for gas exchange. Further exploration through SEM takes us into xylem tissue where we encounter an intricate network composed of both xylem vessels and parenchyma cells. This collaboration ensures efficient water transport while maintaining structural integrity within plants. The French lavender leaf pore SEM image showcases yet another example of how parenchyma contributes to plant function. The surrounding specialized cells work together with adjacent guard cells to regulate transpiration rates through these microscopic openings. Shifting our focus back to light micrographs, we observe the pondweed stem displaying elongated parenchymatic cells that aid in nutrient storage and transportation within this aquatic plant species. Delving deeper into plant anatomy reveals even more instances where parenchymatic tissues play crucial roles: from oak roots providing anchorage and nutrient uptake to rotten wood decomposition facilitated by fungal hyphae penetrating intercellular spaces between lignified xylem fibers under SEM examination. One particularly intriguing observation lies within Rhubarb stems' cross-sections; here we see both xylem vessels responsible for water transport and parenchyma cells that provide storage and support.