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Cross-section leaf Plant of under the microscope for classroom education.

Glass bottles of NMR solvent, chloroform, pyridine, D2O, DMSO, and methanol. The NMR Solvents are used to dissolve samples to prepare solutions for analysis by the NMR spectroscopy method.

Diffuse large B-cell lymphoma, or DLBCL, is a cancer that starts in white blood cells called lymphocytes.

Medical electronics. Monitor with ECG curves

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.

Host cells with spores (mold) are inside wood under the microscope for education.

Ecography equipment in examination room in medical clinic. No people.

Electroencephalogram and neurological hammer are on the table at the practicing doctor

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

The leaf epidermis under light microscope view has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.

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.

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

Education in elementary and secondary school

$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 \$