Longitudinal Collection (page 3)

Developing frog egg, light micrograph
Developing frog egg. Light micrograph of a vertical section through a developing egg laid by a common frog (Rana temporaria temporaria). The egg has reached the blastula stage

Stomach section, light micrograph
Stomach section. Light micrograph of a vertical section through a stomach. The upper layer (pink-purple) is the glandular mucosa

Skin section, light micrograph
Skin section. Semi-polarised light micrograph of a vertical section through human skin. The outer epidermis is the thin layer across top, with the dermis layer beneath it

Tongue section, light micrograph
Tongue section. Light micrograph of a vertical section through a mammalian tongue. At top, the surface is covered with circumvallate papillae

Kidney cortex, light micrograph
Kidney cortex. Light micrograph of a vertical section through the cortex (outer layer) of a kidney. The cortex tissue (across top) is stained a darker red

Eukaryotic flagellum structure, artwork
Eukaryotic flagellum structure. Cutaway artwork showing the internal structure of the flagellum in eukaryotic cells. Flagella are tail-like projections used for cell locomotion

Intestinal villi anatomy, artwork
Intestinal villi anatomy. Artwork showing six types of cell found on the surface of villi in the small intestine. Clockwise from upper right they are: enterocytes (green)

Slug turning the right way up. Composite image of a slug righting itself after it was turned on its back (top left). The slugs circular, oblique and longitudinal muscles

Clubmoss cone, light micrograph. Longitudinal section through the cone (strobilus) of the clubmoss Lycopodium clavatum. The strobilus consists of a central axis (purple)

Fern plant reproduction, light micrograph. At bottom, the double kidney-shaped gametophyte (prothallus) plant has anchored itself with root-like rhizoids (central black area)

Horsetail cone, light micrograph. Longitudinal section through a young cone (strobilus) of the rough horsetail (Equisetum hyemale)

Liverwort spore capsule, light micrograph. Longitudinal section through the thallus and sporangium of a liverwort (Jungammania sp.) The sporangium (spore capsule)

Moss reproductive parts, light micrograph. Longitudinal section through the antheridial cup (male reproductive parts) of a cord moss (Polytrichum commure)

Moss spore capsule, light micrograph
Moss spore capsule, polarised light micrograph. Longitudinal section through a spore capsule from a fire moss (Funaria hygrometrica)

Pear fruit tissue, light micrograph
Pear fruit tissue. Light micrograph of a longitudinal section through tissue from the fruit of a pear tree (Pyrus sp.). The section shows stone clusters or sclerieds (red)

Shepherds purse seeds, light micrograph
Shepherds purse seeds. Light micrograph of a longitudinal section through a fruit of the shepherds purse (Capsell bursa-pastoris), showing eight seeds and embryos (red)

Phloem plant cells, light micrograph
Phloem plant cells. Light micrograph of a longitudinal section through phloem tissue in a Cucurbita plant. Most of this tissue is large phloem tubes (stained blue)

Leaf abscission layer, light micrograph
Leaf abscission layer. Light micrograph of a longitudinal section through a dicotyledon stem that has undergone leaf-fall. Part of the abscission layer (orange) is at centre

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

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)

Female yew tree flower, light micrograph
Female yew tree flower. Light micrograph of a longitudinal section through a female flower of the yew tree (Taxus baccata)

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

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)

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

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)

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)

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)

Thale cress root with root hairs
Thale cress root. Light micrograph (LM) of the root of a Thale cress plant, Arabidopsis thaliana. The root has many fine root hairs on it

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

Root tip from a seedling, SEM
Root tip. Coloured scanning electron micrograph (SEM) of the root of a young poppy seedling. The numerous root hairs (yellow)

Tree xylem vessels, light micrograph
Tree xylem vessels. Polarised light micrograph of a vertical section through the primary wood vessels (xylem vessels) of a tree

Leaf stem node, light micrograph
Leaf stem node. Light micrograph of a vertical section through a leaf stem node from a sycamore tree (Acer pseudoplatanus)

Arum plant spadix, light micrograph
Arum plant spadix. Light micrograph of a vertical section through the lower part of the spadix from a lords and ladies (Arum maculatum), or cuckoo pint, plant

Wheat grain, light micrograph
Wheat grain. Light micrograph of a vertical section through a grain of wheat (Triticum vulgare). This is the fruit of the plant, and includes the endosperm (larger area, pink)

Double-seeded fruit, light micrograph
Double-seeded fruit. Light micrograph of a cross- section through a fruit with two seeds. This is the fruit of an Alexanders plant (Smyrnium olusatrum)

Pollination, light micrograph
Pollination. Light micrograph of a section through an evening primrose (Oenthera biennis) stigma. Pollen grains (circular) are adhering to the surface of the stigma

Maize grain, light micrograph
Maize grain. Light micrograph of a vertical section through the grain of a maize plant (Zea mays). This is the fruit of the plant, and includes the endosperm (larger area, upper right, light pink)

Leaf stomata, light micrograph
Leaf stomata. Light micrograph of a vertical section down through the surface of a leaf from a Scots pine tree (Pinus sylvestris)

Marigold flower parts, light micrograph
Marigold flower parts. Light micrograph of a vertical section through a carpel or pistil (the female part) of a marsh marigold (Caltha palustris)

Pollen tube, light micrograph
Pollen tube. Light micrograph of a section through an evening primrose (Oenthera biennis) stigma. A pollen grain (circular)

Longitudinal wave in a spring. The wave motion is parallel to the direction of travel, with regions alternating between compression (lower centre) and expansion (upper centre) as the wave passes

Frog tadpole, light micrograph
Frog tadpole. Light micrograph of a longitudinal section parallel to the body of the tadpole of a frog (Rana temporaria). The tail is at left and the head and body are at right

Tooth enamel formation, SEM
Tooth enamel formation. Coloured scanning electron micrograph (SEM) of a freeze-fractured section through a tooth, showing the enamel-forming cell layer (blue)

Human finger, longitudinal section
Human finger. Light micrograph of a longitudinal section through a finger of a human infant. This shows the bones inside the finger (here, the 1st and 2nd phalanges)

Kidney, longitudinal section
Kidney. Light micrograph of a longitudinal section through a kidney, showing the outer region (cortex, round the edges) and the inner region (medulla, centre)

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"Exploring the Intricacies of Longitudinal Structures: From Dicotyledon Plant Stems to Jellyfish Artwork" This captivating light micrograph showcases the intricate longitudinal structure of a dicotyledon plant stem, revealing its inner beauty and complexity. Intriguingly artistic, this jellyfish artwork captures the ethereal nature of these creatures with their long tentacles gracefully extending in a longitudinal fashion. A closer look at tendons through SEM reveals their remarkable longitudinal arrangement, highlighting their strength and flexibility in supporting our movements. Delving into the depths of neuroscience, an MRI scan unveils the fascinating longitudinal pathways within a child's brain, offering insights into cognitive development and neural connections. Transporting us back in time, we encounter historical marvels like the Great Eastern steamship. A section view provides a glimpse into its impressive size and design with a prominent longitudinal perspective. The majestic Parthenon of Athens stands as an enduring symbol of ancient Greece's grandeur. Its exquisite columns stretch longitudinally across its magnificent facade, leaving spectators awestruck by its timeless beauty. Across continents to New York City, we find another architectural gem - the Custom House. With its classical design featuring elegant columns arranged longitudinally along its exterior, it exudes both power and grace. Returning to childhood wonderment once more, an MRI scan unravels further mysteries within a child's brain. This mesmerizing image sheds light on how neurological processes unfold longitudinally during crucial developmental stages. Venturing into innovative transportation methods from yesteryears brings us to an atmospheric railway. An elevation view coupled with a detailed longitudinal section illustrates how this ambitious concept aimed to revolutionize travel using air pressure propulsion systems. Unveiling engineering triumphs from history takes us aboard Isambard Kingdom Brunel's visionary creation - The Great Eastern Steam Ship. Despite logistical challenges delaying her launch in 1857, her groundbreaking design showcased through this striking longitudinal section remains a testament to human ingenuity.