Pore Collection (page 3)

Crocodylus porosus, saltwater crocodile
Photograph of a saltwater crocodile (Crocodylus porosus) skull

Small white butterfly egg, SEM
Small white butterfly egg. Coloured scanning electron micrograph (SEM) of an egg of the small white butterfly (Pieris rapae)

Silk moth caterpillar breathing pore
Silk moth caterpillar air pore. Polarised light micrograph of a spiracle (air pore, upper centre) and its attached tracheae (air passages) from a silk moth caterpillar (Bombyx mori)

Skin anatomy. Historical anatomical artwork of the human skin. The main diagram (lower centre) shows scalp hairs and sebaceous glands (yellow, near surface)

Kidney capillary, SEM
Kidney capillary. Coloured scanning electron micrograph (SEM) of a fracture through a glomerular capillary. A kidney glomerulus, which filters waste products from the blood

Freeze fracture micrograph of cell nucleus
Cell nucleus. Freeze-fracture scanning electron micrograph of a cell from a parathyroid gland. In the lower left is the nucleus (orange), studded with nuclear pores

TEM of a cell nucleus membrane showing pores
Cell nucleus membrane. Transmission electron micrograph (TEM) of a section through part of the nuclear membrane of a kidney cell revealing its nuclear pores

Illustration of ion chanels in plasma membrane
Illustration of a model for the potassium and sodium ion channels through pores in the plasma membrane of an animal nerve cell: an example of active transport, where solutes (ions, sugars)

Col. freeze-fracture TEM of cell nucleus membrane
Cell nucleus membrane. Coloured freeze-fracture transmission electron micrograph (TEM) of part of the nuclear membrane of a liver cell

Antibiotic cell membrane effect, artwork
Antibiotic cell membrane effect. Artwork of the natural antibiotic peptide defensin (orange) disrupting the cell membrane of a bacterium (top right)

Cellular clock. Conceptual artwork of a clock and the internal structures (organelles) of an animal cell. This could represent the rate of metabolic cell reactions

Ribosomes, TEM
Ribosomes. Coloured transmission electron micrograph (TEM) of ribosomes (blue) passing through pores in a cells nuclear membrane (red)

Sweat pore, SEM
Coloured scanning electron micrograph (SEM) of a sweat gland pore (yellow) opening onto the surface of a human palm. Sweat pores bring sweat from a sweat gland to the skin surface

Plant stomata, artwork
Plant stomata. Artwork of a section through a leaf showing a stoma (black and grey, upper centre). Stomata are pores in the epidermis of the leaf and the site of gaseous exchange in the plant

Mint leaf surface, SEM
Mint leaf surface. Coloured scanning electron micrograph (SEM) of the surface of a mint (Menta sp.) leaf. The white structures are oil glands

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

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

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)

Feverfew leaf surface, SEM
Feverfew leaf surface. Coloured scanning electron micrograph (SEM) of a stoma on the leaf of a feverfew (Tanacetum parthenium) plant

Osteoporotic bone, artwork
Osteoporosis. Computer artwork of osteoporotic bone. Osteoporosis (brittle bone disease) causes a reduction in overall bone mass and an increase in the bones porosity

Aquaporins, artwork
Aquaporins. Computer artwork of water molecules (red and white) passing through pores (yellow) in a cell membrane (blue). These pores are proteins known as aquaporins that are embedded in

Photosynthesis, diagram
Photosynthesis. Diagram showing the inputs and outputs (coloured arrows) involved in photosynthesis in the leaf of a plant

Glomerular anatomy, diagram
Glomerular anatomy. Diagram of the anatomical structure of a glomerulus in a kidney

Eccrine sweat gland, artwork
Eccrine sweat gland, computer artwork. This is one of two types of sweat gland found in the skin. Eccrine glands are found all over the body and release sweat, which consists of water and salt

Bracket fungus (Daedaleopsis confragosa)
Blushing bracket fungus (Daedaleopsis confragosa). Close-up of the underside of the blushing bracket fungus showing its pores. The pores are the ends of the tubes within which the spores are produced

Radiolarian skeleton, artwork
Radiolarian skeleton. Computer artwork of the skeleton (test) of a radiolarian. Radiolaria are single-celled protozoans that are found in marine plankton

Blocked pore in acne, artwork
Blocked pore in acne, computer artwork. Sweat pore (centre) that has become blocked (centre) due to acne. Acne is a skin disorder in which the sebaceous glands of the skin become inflamed (red areas)

Tea leaf, light micrograph
Tea leaf. Light micrograph of a cross-section through a tea (Camellia sinensis) leaf. The upper and lower epidermis on the surfaces of the leaf are blue

Mushroom surface, SEM
Mushroom surface. Coloured scanning electron micrograph (SEM) of the spore-bearing surface of a hen of the woods mushroom (Grifola frondosa). This surface is found on the underside of the mushroom

Ivy stem, SEM
Ivy stem. Coloured scanning electron micrograph (SEM) of the surface of an ivy plant stem. The star- shaped trichomes, a type of modified hair cell, may function in preventing water loss

Section through leaf of Zinnia
False-colour scanning electron micrograph of the under surface of a leaf, Zinnia elegans, showing a part of the epidermis removed to reveal the spongy mesophyll layer (left) under the surface

Sunflower leaf, SEM
Sunflower leaf. Coloured scanning electron micrograph (SEM) of the underside of a sunflower leaf (Helianthus annuus). The green and yellow structures are trichomes

Open stomata, SEM
Open stomata. Coloured scanning electron micrograph (SEM) of open stomata on the surface of a tobacco leaf (Nicotiana tabacum)

Stomatal complex, TEM
Stomal complex. Coloured transmission electron micrograph (TEM) of a stomatal (pore) complex in the young leaf of the pea plant (Pisum sativum)

Closed stoma, SEM
Closed stoma. Coloured scanning electron micrograph (SEM) of a closed stoma (centre) on the leaf surface of the succulent Kalanchoe (Kalanchoe blossfeldiana)

Tomato leaf surface, SEM
Tomato leaf surface. Coloured scanning electron micrograph (SEM) of the surface of a tomato leaf (Lycopersicon esculentum). It is covered in trichomes (red), which secrete oil, and hairs

Daisy leaf surface, SEM
Daisy leaf. Coloured scanning electron micrograph (SEM) of the surface of a daisy leaf (family Asteraceae, formerly Compositae). Three stomata (leaf pores) can be seen

Plant pores, SEM
Plant pores. Coloured scanning electron micrograph (SEM) of stomata (pores) on the pistil of a bellflower (Adenophora sp.). Stomata are the site of gaseous exchange, or respiration

Open stoma, SEM
Open stoma. Coloured scanning electron micrograph (SEM) of an open stoma on the surface of a tobacco leaf (Nicotiana tabacum)

Graphite crystals. Coloured scanning electron micrograph (SEM) of graphite polyhedral crystals (GPCs, purple) growing in a pore of glassy carbon

Zeolite A crystal structure
Zeolite A crystal, molecular model. Zeolite A is a synthetic alumino-silicate material manufactured for use as a molecular sieve

Ger. Officers Strategise
German officers pore over a map, planning their next tactical move

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"Pore: A Window into the Intricacies of Nature's Design" The term "pore" may evoke thoughts of skincare or beauty products, but in the realm of science and nature, it holds a much deeper significance. From osteoporotic bone to leaf pores, these microscopic openings offer us a glimpse into the intricate workings of our world. In the fascinating world of SEM (scanning electron microscopy), we uncover hidden wonders that are otherwise invisible to the naked eye. Picture No. 11675585 reveals osteoporotic bone under intense magnification, showcasing its porous structure and shedding light on its vulnerability. Moving from bones to leaves, Picture No. 11675628 captures English oak leaf pores in stunning detail. These tiny openings play a crucial role in regulating gas exchange within plants, allowing them to breathe and thrive. Venturing further into nature's diversity, we encounter French lavender leaf pore through SEM imagery. The delicate intricacy displayed by this pore reminds us of the remarkable design found even at such minuscule scales. But our journey doesn't end there; it extends beyond microscopic realms to breathtaking landscapes captured at sunset in Giau Pass and Colle Santa Lucia, Belluno district, Veneto, Italy. Witnessing Mount Pore and Mount Civetta bathed in golden hues offers a momentary escape into serene beauty—a reminder of nature's grandeur that surrounds us. As we delve deeper into Alleghe's Belluno district in Veneto, Italy—where Mount Civetta stands tall alongside Mount Pore—we witness another awe-inspiring sunset scene. The interplay between light and shadow paints an ethereal canvas against which these majestic peaks stand as silent witnesses to time passing by. And finally, amidst all these natural wonders lies an unexpected guest—the Grey Reef Shark—an apex predator lurking beneath ocean waves with its own set of unique adaptations for survival. In essence, "pore" encapsulates not just a simple opening but an entire world of discovery.