Free Images - SnappyGoat.com- bestof:公民自由公義愛.jpg zh-cn 公民标识与自由公義愛标识 2012-07-07 18 45 52 personal email from Dr Xu Zhiyong Sun Yat-sen; digitized by Dr Xu

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

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

Adrenaline, also known as epinephrine, is a hormone and medication which is involved in regulating visceral functions (e.g., respiration). It appears as a white microcrystalline granule. Adrenaline is normally produced by the adrenal glands and by a small number of neurons in the medulla oblongata.

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.

Skin cells and molecular structure, 3d rendering. Computer digital drawing.

Geometric composition of abstract design object

$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 \$