Section Collection (#94)

Marsh marigold flower bud. Light micrograph of a cross-section through the anther of an immature marsh marigold (Caltha palustris) flower bud

Dicotyledon leaf, light micrograph
Dicotyledon leaf. Light micrograph of a transverse section through a typical dicotyledon leaf. The section passes through the midrib

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

Dandelion flower head, light micrograph
Dandelion flower head. Light micrograph of a longitudinal section through the flower head (capitulum) of a dandelion (Taraxacum officinale)

Potato starch grains, light micrograph
Potato starch grains. Polarised light micrograph of a transverse section through a potato tuber (Solanum tuberosum), showing the starch grains

Orchid starch grains, light micrograph
Orchid starch grains. Polarised light micrograph of a transverse section through an orchid tuber (Phaius grandifolius), showing the starch grains

Lilac leaf bud, light micrograph
Lilac leaf bud. Light micrograph of a cross-section of a bud from a lilac tree (Syringa vulgaris). The bud is comprised of an outer layer of six thick scale leaves (blue and purple)

Buttercup flower bud, light micrograph
Buttercup flower bud. Light micrograph of a cross-section through an immature wallflower bud (Ranunculus sp.), showing the male and female reproductive organs of the flower

Huckleberry shoot, light micrograph. Longitudinal section through the top of a terminal shoot from a huckleberry (Gaylussacia baccata)

Cedar tree stem, light micrograph
Cedar tree stem. Light micrograph of a transverse section through a stem of a cedar tree (Thujopsis dolobrata). The four ridges on the outer surface are microphyllous leaves

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

Xylem and phloem plant tissue, SEM
Xylem and phloem plant tissue. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant

Abscission layer, light micrograph
Abscission layer. Light micrograph of a longitudinal section through a stem from the flame nettle (Solenostemon scutellarioides), showing a developing abscission layer (purple, left)

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

Fools parsley fruit, light micrograph
Fools parsley fruit. Light micrograph of a transverse section through the fruit (cremocarp) of a fools parsley (Aethusa cynapium)

Alexander flowers, light micrograph
Alexander flowers. Light micrograph of a section through a cluster of alexander flowers (Smyrnium olusatrum). Seen here are cross-sections of the central umbels

Shepherds purse seed, light micrograph
Shepherds purse seed. Light micrograph of a longitudinal section through a seed of the shepherds purse (Capsell bursa-pastoris), showing the embryo in the seed

Japanese sago palm leaf, light micrograph
Japanese sago palm leaf. Light micrograph of a transverse section through the leaf (pinna) of a Japanese sago palm, cycad, (Cycas revoluta)

Eucalyptus stem, light micrograph
Eucalyptus stem. Light micrograph of a transverse section through a one-year-old stem of a Eucalyptus (Eucalyptus globulus) plant

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

Elm stem, light micrograph
Elm stem (Ulmus procera) section, polarised light micrograph. The black horizontal lines are multiseriate rays, which are composed of several rows of cells

Cucumber flower bud, light micrograph
Cucumber flower bud. Light micrograph of a longitudinal section through the flower bud of a cucumber (Cucurbita sp.). The female pistil (red)

Poppy fruit, light micrograph
Poppy fruit. Light micrograph of a longitudinal section through the fruit of an Iceland poppy (Papaver nudicaule), showing the seeds (small dots). The fruit capsule has an outer wall (pericarp)

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)

Dandelion root, light micrograph
Dandelion root. Light micrograph of a transverse section through a root of a dandelion (Taraxacum officinale). The root has undergone secondary thickening

Snake intestinal villi, SEM
Snake intestine. Coloured scanning electron micrograph (SEM) of villi in the intestine of a snake. The villi (folds) in the surface of the intestine are short and covered in cuboidal mucosal cells

Snake intestine, SEM
Snake intestine. Coloured scanning electron micrograph (SEM) of a freeze-fracture through the intestine of a snake. The mucosa (brown)

Reptilian red blood cells, SEM
Reptilian red blood cells. Coloured scanning electron micrograph (SEM) of whole and fractured red blood cells (erythrocytes, purple) from reptilian tissue

Gecko retina, SEM
Gecko retina. Coloured scanning electron micrograph (SEM) of an oblique freeze-fracture through the retina of a gecko (family Gekkonidae)

Sandworm body. Close-up of the body of a sandworm (Nereis pellagica), showing its parapodia (un jointed limb-like outgrowths) and setae (bristles)

Bone marrow, SEM
Bone marrow, coloured scanning electron micrograph (SEM). This freeze-fracture has revealed the cavity (lumen) of a large venous sinus (pink), which contains mature blood cells (red)

Wood-boring insect larva tunneling through a piece of wood. A generic term for this sort of insect is woodworm. The larvae feed for several years on the interior of wooden objects

Lung bronchus cross-section, SEM
Lung bronchus cross-section, coloured scanning electron micrograph (SEM). This longitudinal freeze-fracture has exposed the inner epithelial surface of a bronchus (brown)

Salmonella bacterium. Coloured transmission electron micrograph (TEM) of a section through a Salmonella sp. bacterium. It is seen on a fractal background

Stenotrophomonas sp. bacteria, TEM
Stenotrophomonas maltophilia bacteria. Coloured transmission electron micrograph (TEM) of a sect- ion through Stenotrophomonas maltophilia bacteria. They are seen on a fractal background

Campylobacter oral bacteria, TEM
Campylobacter bacteria. Coloured transmission electron micrograph (TEM) of two Campylobacter rectus bacteria. These Gram-negative rod-shaped bacteria have single flagellum (hair-like strand)

Treponema denticola bacterium, SEM
Treponema bacterium. Coloured transmission electron micrograph (TEM) of a section through a Treponema denticola bacterium. It is seen on a fractal background

Campylobacter bacterium, TEM
Campylobacter bacterium. Coloured transmission electron micrograph (TEM) of a section through a Campylobacter sp. bacterium

Helicobacter bacteria, TEM
Helicobacter bacteria. Coloured transmission electron micrograph (TEM) of a section through Helicobacter fennelliae bacteria

Tuberculosis bacteria, TEM
Tuberculosis bacteria. Coloured transmission electron micrograph (TEM) of a section through Mycobacterium tuberculosis bacteria

Capnocytophaga canimorsus bacterium, TEM
Capnocytophaga canimorsus bacterium. Coloured transmission electron micrograph (TEM) of a sectioned Capnocytophaga canimorsus bacterium

Intestinal bacteria, TEM
Intestinal bacteria, coloured transmission electron micrograph (TEM). The TEM shows a section through the bacteria (red/yellow) and the wall of the intestines (bottom)

Liverwort spore case, light micrograph
Liverwort spore case. Light micrograph of a vertical section through a spore case (sporophyte) from a liverwort (Pellia epiphylla)

Pine cone scale, light micrograph
Pine cone scale. Light micrograph of a vertical section through an ovulate scale from a Scots pine (Pinus sylvestris). This image shows the ovule (oval shape)

Liverwort spore cases, light micrograph
Liverwort spore cases. Light micrograph of a cross-section through five spore cases (sporophytes) from the liverwort Conocephalum conicum (Marchantiales)

Mycoplasma bacteria, TEM
Mycoplasma bacteria. Coloured transmission electron micrograph (TEM) of a section through a group of Mycoplasma sp. bacteria (orange) surrounding an infected cell (green)

Maple stem, light micrograph
Maple stem. Polarised light micrograph of a cross-section through the stem of a field maple (Acer campestre). This shows the thick layer of cork (phellem)

Hydrilla bud, light micrograph
Hydrilla bud. Light micrograph of a longitudinal section through an axillary bud on a Hydrilla plant, showing its internal structure

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"Exploring the Depths: From Titanic Blueprints to British Submarines, Unveiling Secrets of the Section" Delving into history's archives, we uncover a treasure trove of knowledge through various sections. The intricate blueprint of the Titanic reveals its grandeur and tragic fate, while British submarines spanning five decades shed light on their evolution and contributions to naval warfare. Intriguing our scientific minds, a mesmerizing light micrograph showcases the delicate beauty of cerebellum tissue. Meanwhile, the Higgs boson event captured by ATLAS detector C013/6892 takes us on an exhilarating journey into particle physics. Venturing into architectural wonders, we glimpse St Pauls Cathedral with a section revealing Sir Christopher Wren's genius in designing his iconic dome. A cross-section of Mount Etna unveils its fiery core and reminds us of nature's raw power. Tracing back to wartime struggles, a sectional view exposes the inner workings of a Mills grenade from World War I—a chilling reminder of past conflicts. On a lighter note, Anne Morrow invites us into her imagination as she envisions the interior design of Wates House. The complexity within ourselves is unraveled as we examine a human brain model—an awe-inspiring structure that holds countless mysteries yet to be discovered. Further exploring our anatomy, a diagram guides us through the intricacies of lungs and bronchial tubes—essential for every breath we take. Lastly but not leastly (sic), teeth provide fascinating insights into both adults' and children's dental development—a testament to growth and change throughout life's stages. From engineering marvels like SS Great Britain to artistic interpretations by Anne Morrow—sections offer glimpses beyond what meets the eye; they unravel stories waiting patiently for curious minds to explore their depths.