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Epidermis. Electron microscope micrograph showing a keratinocyte of spinous layer. The epithelial cell has a polygonal shape, central nucleus with nucleolus, cytoplasm full of keratin filament bundles, and numerous dark desmosomes crossing the intercellular spaces.

plant Pine Stem C.S. under light mircoscope with white background

Background of mold in the wood of the house.

This common bacterial infection is spread through contaminated food or water and causes diarrheaa and possibly sepsis. One of the most prevalent bacterial causes of food poisoning is salmonella and outbreaks of Salmonella Enteritidis linked to eggs have been reported.

Photomicrograph of Volvox globator, a green algae. Dark green spots are daughter colonies forming inside of parent colony. Live specimen. Wet mount, 10X objective, transmitted brightfield illumination.

Looking at Mammalian cells on a cell culture plate, through a microscope

Transmission electron microscope (TEM) micrograph showing a medium-sized lymphocyte with small pseudopodia. The cytoplasm contains many free ribosomes and small mitochondria.

Hand Holds Petri Dish with Bacteria Culture

Captured by a scientific microscope and Canon 5D Mark IV

An electron image represents several nanoparticles made of lipids (liposomes) containing an anticancer drug (doxorubicin)

Cell Division and Cell Cycle under the microscope.

Cells of a plant leaf with damaged epidermis and chloroplasts under a microscope. The damage is caused by a disease.

$Streptococcus pneumoniae causes acute bacterial infections. Streptococcus pneumonia can be\ndifferentiated from other alpha-hemolytic streptococci\nbased on its susceptibility to optochin ( the disk is visible on the pic).$

Volvox sp. algae under microscopic view, dark background

Close up of a Petri dish with blue specimens in it

A plant cell is a fundamental unit of plant life, containing various organelles, including the cell wall, chloroplasts, and a large central vacuole, which are unique to plant cells. These cells serve as the building blocks of plants and play essential roles in photosynthesis, growth, and structural support.

Squash preparation of onion root tip cells stained to reveal chromosomes, Bright field illumination, light microscopy. This image was taken with the X40 objective lens. Depth of focus is extremely low at this magnification. Smaller apertures give greater depth of focus, but image quality deteriorates and resolution is greatly reduced. The aperture in this image was optimised for contrast and resolution. Chromatic abberation is inevitable in light microscopy, but has been kept to a minimum in this image.

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

Transmission electron microscope (TEM) micrograph showing several myelinated fibers and a Schwann cell (in the center) containing many unmyelinated axons.

$Serratia Marcescens is a rare Nosocomial Pathogen.\nThis bacterium is a gram-negative bacillus found in soil and water. it produces a red pigment at room temperature. It can cause urinary and respiratory infections, endocarditis, osteomyelitis, septicemia, wound infections, eye infections, and meningitis.$

Colony of ciliates microorganisms floating in water, microscopic magnification 20x

Photomicrograph of one celled amoeba. Live specimen. Wet mount, 40X objective, transmitted brightfield illumination.

Freshwater aquatic zooplankton and algae under microscope view

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