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Gastric mucosa intestinal metaplasia under microscopy

The xylem and phloem that make up the vascular tissue of the stem are arranged in distinct strands called vascular bundles, which run up and down the length of the stem

A colorful and unique illustration perfect for a background

Old orange and black scuffed damaged marbled paper, Original over 150+ years old

After dopamine binding, the dopamine receptor changes his shape and binds the inactive G protein.The G protein expels its GDP molecule replacing it by GTP. and falls into two pieces. The Galpha subunit binds to and activates the enzyme adenylyl cyclase, which produces then cyclic AMP spreading a signal through the cell.

This is a photograph drawn with a sharpie of a football play consisting of X's and O's. It is isolated on a pure white background.Click on the links below to view lightboxes.

3D cartoon and Gaussian surface models, PDB 6gu2, white background

Gold serum with bubble inside drop on skin cell for professional skin treatment product. 3D rendering.

Abstract background Organic Form - 3d rendered image of glass structure, optical technology, nano electrical wave, dispersion colorful rainbow. Organic shapes and form. Science fiction or organic technology concept.

Transmission electron microscope (TEM) micrograph showing dark melanin granules in a melanocyte (top center) and in several keratinocytes, which, unlike melanocytes, have bundles of keratin filaments

Water bottle with micro plastic concept of water plastic pollution and global warming with text

A panoramic view on the plain on top of a mountain in Hochschwab region in Austrian Alps. The flora overgrowing the slopes is turning golden. Autumn vibes. Sharp and steep mountain chain. Wilderness

Surface photography of nature pattern Crystal shot for background.

Forming of underskin cellulite illustration. Structure of normal healthy and cellulite skin. Comparison

Overhead aerial drone view of oyster farm racks at low tide, flying at a low altitude to be able to see the detail of the oyster racks and seaweed. Located in a tidal estuary in Sutherland, Scotland. the low tides enable workers to access the racks for turning the oysters as they grow. Oysters have been farmed for many hundreds of years using this method. Seaweed has grown around the metal lines of racks.

Characteristics of fungi living in wood as a group, are polyphyletic under the microscope for education.

Aerial view of arid mountains in Antalya, Turkey. Taken via drone.

$Wet rough asphalt black bitumen road pavement surface abstract grunge texture close-up top view background banner.\nBitumen is a sticky, black, highly viscous liquid or semi-solid form of petroleum. In the U.S., it is commonly referred to as asphalt. It may be found in natural deposits or may be a refined product, and is classed as a pitch. Before the 20th century, the term asphaltum was also used.\nTarmacadam is a road surfacing material made by combining crushed stone, sand, and tar. It is a more durable and dust-free enhancement of simple compacted stone macadam surfaces. The terms \$