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SEM Gallery

Choose from 3,177 pictures in our SEM collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Red-barbed ant, SEM Featured SEM Image

Red-barbed ant, SEM

Red-barbed ant (Formica rufibarbis), coloured scanning electron micrograph (SEM). This ant is common in mainland Europe, but rare in the UK. The two compound eyes are seen, one at upper left and part of the other at upper right. The two antennae (the long, thin, sensory structures) are attached to the head between the eyes. Below the antennae are the ant's mouthparts (lower right), including the strong mandibles (one at far right) used to cut up food. Behind the ant's head is its thorax (upper part of its body). One of the ant's six legs is at far left. Ants are social insects that can form colonies of several million individuals

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Osteoporotic bone, SEM Featured SEM Image

Osteoporotic bone, SEM

Osteoporotic bone. Coloured scanning electron micrograph (SEM) of fractured bone tissue from a patient suffering from osteoporosis (brittle bone disease). Osteoporosis causes a reduction in overall bone mass and an increase in the bone's porosity, making it more brittle and likely to fracture. It commonly affects the elderly and post-menopausal women, who experience a decrease in levels of the hormone oestrogen. It may also develop after injury or infection. Oestrogen repl- acements and drugs that slow the rate of bone loss are used to treat the disease. This is cancellous or spongy bone tissue from the centre of a long bone. Magnification unknown

© STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY

Anopheles mosquito Featured SEM Image

Anopheles mosquito

Anopheles mosquito. Coloured scanning electron micrograph (SEM) of an Anopheles stephensi mosquito, the vector for the malaria parasite in Asia. The mosquito flies in search of a human or other animal from which it can suck blood. It lands gently on long, slender legs. The insect's head comprises two compound eyes (pink), two antennae (blue) and complex mouthparts. The proboscis (centre), contains the piercing and sucking instruments necessary to obtain a blood meal. In 2002, scientists created genetically- modified A. stephensi mosquitoes, in which the malaria parasite was unable to multiply, raising hopes that transmission of malaria can be stopped

© VOLKER STEGER/SCIENCE PHOTO LIBRARY