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Histological Pancreas human, Liver human, Vermiform appendix human and Kidney Human under the microscope for education.

Close-up of a pharmacist hand arranging paracetamol on a stainless steel tray. Ready to distribute to patients

Main mutation site of the coronavirus variant B.1.531 emerged in South Africa. The spike protein (red) is bound to the angiotensin converting enzyme 2 (blue). The mutation is at the amino acid position 484 (yellow). Source: PDB entry 6cs2.

Lung cancer, also known as lung carcinoma, is a malignant lung tumor characterized by uncontrolled cell growth in tissues of the lung.

Quantum Gravity 3d rendered image of a comprehensive exploration of Quantum Gravity theories. String theory, loop quantum gravity (LOG), causal dynamical triangulation, twistor theory, gravitational waves, spacetime, gravity waves, quantum mechanics, quantum entanglement concepts.

Breast tissue adenocarcinoma immunohistochemistry. Estrogen receptors.

$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 \$

$plant Flower bud of Lilium brownii var.viridulum T.S.\nunder light mircoscope with white background$

Cross-section Dicot, Monocot and Root of Plant Stem under the microscope for classroom education.

$Well-differentiated neuroendocrine tumors (NETs) most commonly originate in the gastrointestinal tract and lung and rarely arise in the genitourinary tract. The term \$

Closeup detail of a hospital ventilator machine in an operating room

Close up of texture and colors of the bottom of a burnt pot.

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

Endosomes - 3d rendered image of Endosomes are membrane-bound organelles. They are parts of endocytic membrane transport pathway. Endomembrane system in cells. Bilayer Lipid Membrane. Abstract medical illustration. Microscopic view. Microbiologic research concept.

The glucagon like peptide-1 receptor (GLPr) is a G proteincoupled receptor (GPCR) that mediates the action of GLP-1, a peptide hormone. The activated receptor has a strong effect on the management of type 2 diabetes mellitus and obesity, including glucose homeostasis and regulation of gastric motility and food intake.

Glycolic acid is a type of alpha hydroxy acid (AHA). Alpha hydroxy acids are natural acids found in foods. Glycolic acid comes from sugarcane. Alpha hydroxy acids like glycolic acid work by removing the top layers of dead skin cells. Glycolic acid also seems to help reverse sun damage to the skin.

Shiny artificial molecular structure in many colors. Horizontal composition, isolated on black background.

Hyaline cartilage, Elastic cartilage and Bone Human under the microscope in Lab.

Photomicrograph of potato starch in cells of potato tuber, Solanum tuberosum. Starch is normally white but is stained blue with iodine to show better. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination. Note - very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

Tempeh food texture, tempeh is a typical Indonesian food made from fermented soybeans

Metastatic neuroendocrine tumor. Site: Liver. Neuroendocrine tumors are cancers that begin in specialized cells called neuroendocrine cells. Neuroendocrine cells have traits similar to those of nerve cells and hormone-producing cells. Neuroendocrine tumors are rare and can occur anywhere in the body.

Cerebellar granule cells, light micrograph. Cerebellar granular layer stained with Golgi silver chromate showing the abundance of granule cells. They have a very small rounded soma with three to five dendrites, ending in an enlargement called a dendritic claw. The dark thick traces are blood capillaries.

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.

Structure of a bacterial wall being passed by the antibiotic substance streptomycin through the channel protein porin.

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

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

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Mt Fujimi sunrise with climber and clouds.jpg

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Maasai man, Eastern Serengeti, October 2006.jpg

Ranipuram wildlife sanctuary, Kerala, India.jpg

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Black Backed Jackal Masaai Mara April 2008.JPG