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Photomicrograph of freshwater leech. Sucker attached to cover slip at bottom. Live specimen. Wet mount, 2.5X objective, transmitted brightfield illumination. Note - motion blur of live animal, very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.
Muscat, Oman - 5-21-2022: Al-Hoota Cave, long exposure inside view of cave and green underground lake.
Rock formations on Oahu coast
rough round agate mineral sample with outer shell geode
Micrograph of a moss leaf, Dicranum, with elongated cells, and an elongated midrib (costa) that may be the water conducting cells of the leaf, with polarization at 100x.
prismatic quartz mineral clusters on rock specimens from the UK
Apache tear (obsidian) from the USA
Concretion formations in a rock in the Grand Staircase-Escalante National Monument in southern Utah during the fall. Concretions are precipitated mineral deposits that form in the spaces of sedimentary rock.
A garden banden snail (Cepaea hortesis) in close-up on a stone in the morning sunlight.
Bivalvia Fossil inside a limestone rock on moss floor. Gastropods from the jurassic period captured during autumn season.
Besides the rare stalactite decoration the walls of the underground corridors and halls are decorated with unique honeycomb and reticular silica structures crated by so-called selective corrosion. The visit ends in the Lake Dome with the beautifully lit largest underground lake in Bohemia.
Sea water on the coast of Guinea Bissau
This photo was taken in the Mylodon Cave Natural Monument in Patagonia, Chile.
Tınaztepe  Caves in konya seydisehir.
Luray Caverns in Luray, Virginia on April 9th, 2021.
Soil with stones, dry grass and green moss as texture or background.
Coral in Molasses Reef
Frozen Puddle in the Meadow, Canada
internal tissue of a sea creature's shell. pores. macro photo.
Bacho Kiro cave, Bulgaria - September 10, 2021: Sculpture  at the entrance of Bacho Kiro cave near Dryanovo monastery.
Drach cave in Porto Cristo in Mallorca (Spain)
The Stalactite Cave, Israel , World Heritage Site
Sandstone mountain canyon\nlandscape, Travel of scenery, Geology formation tourism cliff.
Small spring frog tries to hid between the glass top and leg of a table.
Texture of the gold leaf, Gold background, Picture from Buddha image Back.
Calama, Chile
Exploration of mountain caves during tourist hikes.
Forest floor looking up
The normal liver cells or hepatocytes contain lipid droplets, more frequent near the central vein of hepatic lobules, that can be demonstrated using osmium tetroxide as fixative. In steatosis or fatty liver disease, the amount of lipid droplets is pathologically very increased.
Dry earth background
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