scanning electron microscope 550  results

Bone cancer cells. Colored scanning electron micrograph of osteosarcoma cancer cells.Bone cancer cells. Colored scanning electron micrograph of osteosarcoma cancer cells.
Bone cancer cells. Colored scanning electron micrograph of osteosarcoma cancer cells.Bone cancer cells. Colored scanning electron micrograph of osteosarcoma cancer cells.
Bacteria from a human beard. Colored scanning electron micrograph (SEM) of bacteria cultured from a human beard. A European study has found that the average man's beard is more replete with human-pathogenic bacteria than the dirtiest part of a dog's fur. There are around 1000 species of bacteria from 19 phyla found on human skin. Skin flora is usually non-pathogenic, and either commensal (not harmful to their host) or mutualistic (offer a benefit). Magnification: x4000 when printed at 10cm wide.Bacteria from a human beard. Colored scanning electron micrograph (SEM) of bacteria cultured from a human beard. A European study has found that the average man's beard is more replete with human-pathogenic bacteria than the dirtiest part of a dog's fur. There are around 1000 species of bacteria from 19 phyla found on human skin. Skin flora is usually non-pathogenic, and either commensal (not harmful to their host) or mutualistic (offer a benefit). Magnification: x4000 when printed at 10cm wide.
Stomach lining. Colored scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid. This surface epithelium of simple columnar cells secretes mucus, while the gastric glands are the pits seen in this epithelium. From these pits digestive enzymes are produced. Thousands of these glands line the stomach wall. On the larger scale, the stomach mechanically churns food around, while on this scale, gastric juices act to chemically break down the food. This thick lining and large amounts of mucus protect the stomach from these digestive processes. Magnification: x800 when printed at 10cm wide.Stomach lining. Colored scanning electron micrograph (SEM) of the glandular lining (mucosa) of the stomach. The gastric mucosa secretes the digestive enzymes and hydrochloric acid. This surface epithelium of simple columnar cells secretes mucus, while the gastric glands are the pits seen in this epithelium. From these pits digestive enzymes are produced. Thousands of these glands line the stomach wall. On the larger scale, the stomach mechanically churns food around, while on this scale, gastric juices act to chemically break down the food. This thick lining and large amounts of mucus protect the stomach from these digestive processes. Magnification: x800 when printed at 10cm wide.
Ant head. Colored scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (red) and jaws. Magnification: x50 when printed 10 centimeters wide.Ant head. Colored scanning electron micrograph (SEM) of the head of an ant (family Formicidae). showing its large compound eyes (red) and jaws. Magnification: x50 when printed 10 centimeters wide.
Acanthocystis. Colored scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines. This genus Acanthocystis contains unicellular, free-floating planktonic or benthonic living organisms which are common in freshwater but also found more rarely in marine habitats. The evolutionary position of the centrohelids is not clear. Magnification: x 2500, when printed 10 centimeters wide.Acanthocystis. Colored scanning electron micrograph (SEM) of a centrohelid heliozoan with tangential plate-scales and radial spines. This genus Acanthocystis contains unicellular, free-floating planktonic or benthonic living organisms which are common in freshwater but also found more rarely in marine habitats. The evolutionary position of the centrohelids is not clear. Magnification: x 2500, when printed 10 centimeters wide.
Small intestine. Colored scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( pink) is exposed to food. The underlying structure of this surface is seen in the sectioned area. Surface (epithelial) cells (blue) are supported by connective tissue (red) that forms the core of each fold (villus). This central core of connective tissue is known as the lamina propria. This contains large blood vessels, capillaries, some smooth muscle cells and a blind- ended lymph vessel known as a lacteal. The folds increase the area for the absorption of nutrients from food. The height of a villus varies in a small intestine from 0.3 to 0.8 millimetres. Magnification: x800 when printed at 10 centimeters wide.Small intestine. Colored scanning electron micrograph (SEM) of a freeze-fractured of the small intestine. The surface consists of deep folds, called villi. The intestinal surface( pink) is exposed to food. The underlying structure of this surface is seen in the sectioned area. Surface (epithelial) cells (blue) are supported by connective tissue (red) that forms the core of each fold (villus). This central core of connective tissue is known as the lamina propria. This contains large blood vessels, capillaries, some smooth muscle cells and a blind- ended lymph vessel known as a lacteal. The folds increase the area for the absorption of nutrients from food. The height of a villus varies in a small intestine from 0.3 to 0.8 millimetres. Magnification: x800 when printed at 10 centimeters wide.
Tendon, colored scanning electron micrograph (SEM), showing bundles of collagen fibers. The parallel alignment of the fibers make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimeters wideTendon, colored scanning electron micrograph (SEM), showing bundles of collagen fibers. The parallel alignment of the fibers make tendons inelastic but flexible. Tendons attach muscle to bone. Magnification: x5000 when printed at 10 centimeters wide
Bacteria from a coin. Colored scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin. A study that tested a random selection of coins and notes of all denominations discovered the presence of 19 kinds of bacteria, including two life threatening bacteria associated with antibiotic resistant superbugs - Staphylococcus aureus (MRSA) and Enterococcus faecium (VRE). Bacteria associated with MRSA was discovered on the 2p, 5p, 10p, �1 and �2 coins, as well as the �10, �20 and �50 notes. MRSA can lead to boils, skin infections, food poisoning and toxic shock syndrome. The bacteria Enterococcus faecium was found on the 2p, 5p and 10p coins as well as the �10 note. This bacteria can cause blood, abdomen, skin and urinary tract infections. Magnification: x2600 when printed at 10cm wide.Bacteria from a coin. Colored scanning electron micrograph (SEM) of bacteria cultured from a english one pound coin. A study that tested a random selection of coins and notes of all denominations discovered the presence of 19 kinds of bacteria, including two life threatening bacteria associated with antibiotic resistant superbugs - Staphylococcus aureus (MRSA) and Enterococcus faecium (VRE). Bacteria associated with MRSA was discovered on the 2p, 5p, 10p, �1 and �2 coins, as well as the �10, �20 and �50 notes. MRSA can lead to boils, skin infections, food poisoning and toxic shock syndrome. The bacteria Enterococcus faecium was found on the 2p, 5p and 10p coins as well as the �10 note. This bacteria can cause blood, abdomen, skin and urinary tract infections. Magnification: x2600 when printed at 10cm wide.
Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant. The pointed hairs are called lithocyst cells. They contain cystoliths (calcium carbonate crystals). Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin (yellow) containing tetrahydrocannabinol, the active component of cannabis when used as a drug. Magnification: 220X when printed 10 cm wide.Cannabis plant. Colored scanning electron micrograph (SEM) of the surface of a cannabis (Cannabis sativa) plant. The pointed hairs are called lithocyst cells. They contain cystoliths (calcium carbonate crystals). Glandular cells called trichomes are also present. These are capitate trichomes that have stalks. These trichomes secrete a resin (yellow) containing tetrahydrocannabinol, the active component of cannabis when used as a drug. Magnification: 220X when printed 10 cm wide.
Scale insects. Colored scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators. Magnification: x50 when printed at 10 centimeters wide.Scale insects. Colored scanning electron micrograph (SEM) of scale insects (superfamily Coccoidea) on a leaf. This pest feeds on the plant's sap. It secretes a powdery wax coating that protects it against pesticides and predators. Magnification: x50 when printed at 10 centimeters wide.
Microscope view of malignant melanomaMicroscope view of malignant melanoma
Microscope view of malignant melanomaMicroscope view of malignant melanoma
Microscope view of malignant melanomaMicroscope view of malignant melanoma
Microscope view of malignant melanomaMicroscope view of malignant melanoma
Microscope view of malignant melanomaMicroscope view of malignant melanoma
Microscope view of malignant melanomaMicroscope view of malignant melanoma
Microscope view of malignant melanomaMicroscope view of malignant melanoma
Microscope view of malignant melanomaMicroscope view of malignant melanoma
Head of long legged fly (dolichopodiae) imaged in a scanning electron microscopeHead of long legged fly (dolichopodiae) imaged in a scanning electron microscope
Coreidae eggs imaged in a scanning electron microscopeCoreidae eggs imaged in a scanning electron microscope
Prostate cancer cell, colored scanning electron micrograph (SEM). of the surface of prostate cancer cells. The cells shows numerous processes and microvilli (fine surface projections). These features are characteristic of highly mobile cells, and enable cancerous cells to spread (metastasis) rapidly round the body, and invade other organs and tissues. Cancer cells divide rapidly and chaotically, and may clump to form malignant tumors. The prostate is a small gland found in men just below the bladder, surrounding the urethra, the tube urine passes through. Prostate cancer is most prevalent in men over 50 years of age. Treatment is with hormone therapy, chemotherapy, or surgical removal of the prostate. Magnification: x 8000 when printed at 10 centimeters across.Prostate cancer cell, colored scanning electron micrograph (SEM). of the surface of prostate cancer cells. The cells shows numerous processes and microvilli (fine surface projections). These features are characteristic of highly mobile cells, and enable cancerous cells to spread (metastasis) rapidly round the body, and invade other organs and tissues. Cancer cells divide rapidly and chaotically, and may clump to form malignant tumors. The prostate is a small gland found in men just below the bladder, surrounding the urethra, the tube urine passes through. Prostate cancer is most prevalent in men over 50 years of age. Treatment is with hormone therapy, chemotherapy, or surgical removal of the prostate. Magnification: x 8000 when printed at 10 centimeters across.
Prostate cancer cell, colored scanning electron micrograph (SEM). of the surface of prostate cancer cells. The cells shows numerous processes and microvilli (fine surface projections). These features are characteristic of highly mobile cells, and enable cancerous cells to spread (metastasis) rapidly round the body, and invade other organs and tissues. Cancer cells divide rapidly and chaotically, and may clump to form malignant tumors. The prostate is a small gland found in men just below the bladder, surrounding the urethra, the tube urine passes through. Prostate cancer is most prevalent in men over 50 years of age. Treatment is with hormone therapy, chemotherapy, or surgical removal of the prostate. Magnification: x 8000 when printed at 10 centimeters across.Prostate cancer cell, colored scanning electron micrograph (SEM). of the surface of prostate cancer cells. The cells shows numerous processes and microvilli (fine surface projections). These features are characteristic of highly mobile cells, and enable cancerous cells to spread (metastasis) rapidly round the body, and invade other organs and tissues. Cancer cells divide rapidly and chaotically, and may clump to form malignant tumors. The prostate is a small gland found in men just below the bladder, surrounding the urethra, the tube urine passes through. Prostate cancer is most prevalent in men over 50 years of age. Treatment is with hormone therapy, chemotherapy, or surgical removal of the prostate. Magnification: x 8000 when printed at 10 centimeters across.
SEM image of SiO2 Silicon Dioxide empty balls, coated with gold and imaged in scanning electron microscopeSEM image of SiO2 Silicon Dioxide empty balls, coated with gold and imaged in scanning electron microscope
Head of a large caterpillar coated in gold and scanned by electron microscopeHead of a large caterpillar coated in gold and scanned by electron microscope
Electron microscope scan of a gold-coated caterpillarElectron microscope scan of a gold-coated caterpillar
Part of a caterpillar coated in gold and scanned by electron microscopePart of a caterpillar coated in gold and scanned by electron microscope
Electron microscope scan of part of a gold-coated caterpillarElectron microscope scan of part of a gold-coated caterpillar
Micro structure of a fracture of Lacewood, imaged in a scanning electron microscopeMicro structure of a fracture of Lacewood, imaged in a scanning electron microscope
Micro structure from a piece of Lacewood, imaged in a scanning electron microscopeMicro structure from a piece of Lacewood, imaged in a scanning electron microscope
Micro structure from a fracture of Lacewood, imaged in a scanning electron microscopeMicro structure from a fracture of Lacewood, imaged in a scanning electron microscope
Lab assistant working with scanning electron microscopeLab assistant working with scanning electron microscope
Human sadness teardrop imaged in a scanning electron microscopeHuman sadness teardrop imaged in a scanning electron microscope
Complexity of human sadness teardrop imaged in a scanning electron microscopeComplexity of human sadness teardrop imaged in a scanning electron microscope
scanning electron micrograph (SEM, image capture by a TESCAN VEGA) of the head (scolex) of a dog tapeworm (Taenia pisiformis)scanning electron micrograph (SEM, image capture by a TESCAN VEGA) of the head (scolex) of a dog tapeworm (Taenia pisiformis)
scanning electron micrograph (SEM) of fungal cellsscanning electron micrograph (SEM) of fungal cells
scanning electron micrograph (SEM) of fungal cellsscanning electron micrograph (SEM) of fungal cells
scanning electron micrograph (SEM) of fungal cellsscanning electron micrograph (SEM) of fungal cells
scanning electron micrograph (SEM) of fungal cellsscanning electron micrograph (SEM) of fungal cells
scanning electron micrograph (SEM) of fungal cellsscanning electron micrograph (SEM) of fungal cells
scanning electron micrograph (SEM) of fungal cellsscanning electron micrograph (SEM) of fungal cells
Staphylococcus bacteria, colored scanning electron micrograph (SEM)Staphylococcus bacteria, colored scanning electron micrograph (SEM)
Quartz crystals, colored scanning electron micrograph (SEM) This silicate mineral is a form of silica (silicon dioxide)Quartz crystals, colored scanning electron micrograph (SEM) This silicate mineral is a form of silica (silicon dioxide)
Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM). Glandular trichomes are red, hair-like trichomes are green. Magnification: x60 when printed at 10 centimetres wide.Marjoram (Origanum vilgare) leaf surface, coloured scanning electron micrograph (SEM). Glandular trichomes are red, hair-like trichomes are green. Magnification: x60 when printed at 10 centimetres wide.
Colored scanning electron micrograph (SEM)Colored scanning electron micrograph (SEM)
Colored scanning electron micrograph (SEM)Colored scanning electron micrograph (SEM)
Colored scanning electron micrograph (SEM)Colored scanning electron micrograph (SEM)
Colored scanning electron micrograph (SEM) of a shell from a Euglypha spColored scanning electron micrograph (SEM) of a shell from a Euglypha sp

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