Parenchyma Collection

Castor oil stem, light micrograph
Castor oil stem. Light micrograph of a longitudinal section through the stem of a castor oil (Ricinus communis) plant. At right are large and small parenchyma cells (blue)

Pine stem, light micrograph
Pine stem. Light micrograph of a section through the stem of a pine (Pinus sp.) tree, showing xylem tissue. The xylem is made up of tracheid cells (light pink)

Lime tree stem, light micrograph
Lime tree stem. Light micrograph of a section through the stem of a lime tree (Tilia europaea). The outer epidermis has been shed and replaced by a layer of cork (dark red)

Picture No. 11675585
Scanning Electron micrograph (SEM)showing stomata on a Yew Leaf. Date:

English oak leaf pores, SEM
English oak leaf pores. Coloured scanning electron micrograph (SEM) of stomata (round) on the underside of a leaf from an English oak (Quercus robur) tree

Xylem tissue, SEM
Xylem tissue. Coloured scanning electron micrograph (SEM) of a section through xylem tissue from a dicotyledon rootlet. Xylem vessels (purple)

French lavender leaf pore, SEM
French lavender leaf pore. Coloured scanning electron micrograph (SEM) of an open stoma (centre, black). Stomata are pores that open and close in order to regulate gas exchange in a plant

Microscopic view of bacterial pneumonia. Bacterial pneumonia is a type of pneumonia caused by bacterial infection. Pneumonia can be generally defined as inflammation of the lung parenchyma

Xylem and parenchyma in Rhubarb stem
Rhubarb stem. Coloured scanning electron micrograph (SEM) of a longitudinal section through a rhubarb stem, Rheum rhaponticum

Histological specimen of a liver of a cardiopath in which the liver parenchyma is atrophic due to blood stasis. X150
Medicine. Histological specimen of a liver of a cardiopath in which the liver parenchyma is atrophic due to blood stasis. x150

Nasturtium stem, SEM
Nasturtium stem. Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium (Tropaeolum sp.) stem, showing numerous vascular bundles (such as at upper centre)

Water lily stem, SEM
Water lily stem. Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes)

Dracaena draco stem, light micrograph
Dracaena draco stem. Light micrograph of a section through the stem of a young dragon tree (Dracaena draco). Shown here is an outer ring of vascular bundles, containing phloem (blue) and xylem (red)

Wheat leaf, light micrograph
Wheat leaf. Light micrograph of a section through a leaf from a common wheat (Triticum aestivum) plant. The vascular bundle (centre to upper centre), or vein

Dendrobium orchid root, light micrograph
Dendrobium orchid root. Light micrograph of a section through an aerial root from a Dendrobium sp. orchid. The outer tissue (velamen radicum, grey) is composed of hexagonal cells

Sharp rush stem, light micrograph
Sharp rush stem. Light micrograph of a section through the stem of a sharp rush (Juncus acutus) plant. This arid-adapted plant (xerophyte) has scattered vascular bundles

Beech tree leaf, light micrograph
Beech tree leaf. Light micrograph of a section through the leaf of a common beech tree (Fagus sylvatica), showing the midrib

Pine root, light micrograph
Pine root. Light micrograph of a section through the root of a pine (Pinus sp.) tree. From outer to inwards: outer layer of peridium (dark red); cortex - made up of parenchyma cells (red)

Marrow stem, light micrograph
Marrow stem. Light micrograph of a section through the stem of a marrow (Curcurbita sp.), showing the sieve plates in the phloem. A single collateral vascular bundle can be seen

Sycamore leaf vein, light micrograph
Sycamore leaf vein. Light micrograph of a section through the midrib (vein) of a leaf from a sycamore (Acer pseudoplatanus) tree

Geranium stem, light micrograph
Geranium stem. Light micrograph of a section through a young stem of a geranium (Pelargonium sp.) plant. The outer stem is covered with a thin epidermis (red) which has stomata

Sweet pea stem, light micrograph
Sweet pea stem. Light micrograph of a section through the hollow stem of a sweet pea (Lathyrus odoratus) plant, showing a ring of vascular bundles

Oak root, light micrograph
Oak root. Light micrograph of a section through a secondary root from an oak (Quercus sp.) tree. The primary cortex (outer layer) has been shed by the formation of a circular meristem, the periderm

White bryony stem, light micrograph
White bryony stem. Light micrograph of a transverse section through the stem of a white bryony (Bryonia alba) plant, showing a single collateral vascular bundle

Beech tree leaves, light micrograph
Beech tree leaves. Light micrograph of a section through two leaves from different parts of a common beech tree (Fagus sylvatica)

Tree-of-heaven stem, light micrograph
Tree-of-heaven stem. Polarised light micrograph of a cross-section through the stem of the tree-of-heaven (Ailanthus glandulosa). Below the outer layers (red) is a ring of vascular bundles

Fern stem, light micrograph. Transverse section through a rachis (stem) of the bracken fern (Pteridium aquilinum). Under the outer epidermis (black) is a thin cortex (deep red)

Clubmoss stem, light micrograph
Clubmoss stem, polarised light micrograph. Transverse section through the stem of the clubmoss Lycopodium clavatum. This is the central portion of the stem consisting of the inner cortex (red)

Flax plant stem, light micrograph
Flax plant stem. Light micrograph of a transverse section through a stem of the flax plant (Linum usitatissimum). The layers from outer to inner (some very thin) are the epidermis (bottom)

Cotton plant root, light micrograph
Cotton plant root. Light micrograph of a transverse section through a root of the cotton plant (Gossypium hirsutum). The layers from outer to centre (some very thin)

Peanut plant stem, light micrograph
Peanut plant stem. Light micrograph of a transverse section through a stem of the peanut plant (Arachis hypogaea). Below the stems outer layer (epidermis) is a cortex of parenchyma cells (blue)

Stinging nettle stem, light micrograph
Stinging nettle stem. Polarised light micrograph of a transverse section through a stem of the stinging nettle plant (Urtica dioica)

Kidney bean stem, light micrograph
Kidney bean stem. Light micrograph of a section through the stem of a kidney bean (Phaseolus vulgaris) plant. The outer layer is the cuticle (brown), with a cortex of parenchyma (yellow) beneath it

Pine needle, light micrograph
Pine needle. Light micrograph of a transverse section through a leaf (needle) of a pine tree (Pinus sp.). The leaves are needle-like so they present a large surface area for photosynthesis but

Lilac stem, light micrograph
Lilac stem. Light micrograph of a transverse section through the young woody stem of a lilac (Fraxinus excelsior) tree. The thick epidermis (solid green) is being sloughed (pushed/broken)

All Professionally Made to Order for Quick Shipping

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.