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

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.

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

Squamous cell carcinoma of the lung is a type of lung cancer. It occurs when abnormal lung cells multiply out of control and form a tumor.

forming of underskin cellulite illustration

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

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

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

Prostate Cancer: Microscopic image of prostatic tissue, adenocarcinoma, malignant neoplasm, atypical epithelial cells.

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.

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.

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.

Histology of thyroid gland, follicles, colloid, thyroglobulin, lodothyroglobulin, parafollicular or (C) cells, follicular, 3d render

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.

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.

A microscope slide showing a stained section of a human bowel, or small intestine. It was taken through microscope lens that has a central focus through a thin layer of glass.

$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 \$

A meningioma is a tumor that arises from the meninges — the membranes that surround the brain and spinal cord. Although not technically a brain tumor, it is included in this category because it may compress or squeeze the adjacent brain, nerves and vessels.

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

Psoriasis Vulgaris, details of psoriatic skin disease, skin patches are typically red, itchy, and scaly, collage, macro with narrow focus

Antique yellow gloster pattern paper marbling full frame.

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

Close-up shooting of a green agate stone mineral surface isolated on white background. Its a macro shot shows nature beautiful details with back lit. Agate is a kind of natural gemstone. Abstract pattern. Good for Wallpaper texture background. Purple

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Mannetjes masaigiraffe in de Serengeti, Tanzania, -12 januari 2013 a.jpg

Dermochelys coriacea leatherback turtle.jpg

Home of president Theodore Roosevelt.jpg

Cottongrass along the upper coleen river.jpg

Bandon marsh national wildlife refuge.jpg

The chandalar river flowing through the mountains.jpg

Camping on unnamed lake in brooks range.jpg

Moose in river animal alces americanus.jpg

Belonging of president Theodore Roosevelt.jpg

Men speaking to visitors at reception held.jpg

Rana catesbeiana; DeSoto National Wildlife Refuge, I.jpg

Leatherback turtle in sand dermochelys coriacea.jpg

Leatherback turtlle nesting dermochelys coriacea.jpg

Green sea turtles climb onto the beach.jpg

Close up of dermochelys coriacea leatherback turtle.jpg

People hike through the forests and marshes.jpg

Sea lion haulout at Sugarloaf island.jpg

Ferns grow on an old growth tree jungle scenic.jpg

Historic blacksmith shop and railroad tie house.jpg

Beach on midway atoll national wildlife refuge.jpg

Corn creek springs at desert national wildlife refuge.jpg

Aquatic environments plants water lilies leaves.jpg

Lake eola in Orlando Florida with fountain.jpg