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Біологія (бактерії, віруси) (152)

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EN_01314036_0270
EN_01314036_0270

Veillonella bacteria, computer illustration. Veillonella are Gram-negative anaerobic cocci, part of intestine and oral microflora and the causative agents of different inflammations.

EN_01314036_0271
EN_01314036_0271

Veillonella bacteria, computer illustration. Veillonella are Gram-negative anaerobic cocci, part of intestine and oral microflora and the causative agents of different inflammations.

EN_01309402_0162
EN_01309402_0162

Adenovirus structure, computer illustration showing the surface structure of the virus's outer protein coat (capsid). Many adenoviruses infect the respiratory tract, causing common cold-like symptoms, and also infect the eyes and gut, particularly in children. The yellow protrusions are known as penton fibres and are found at each of the 12 vertices of the capsid. Each fibre is tipped with proteins, which allow the virus to enter its target cell.

EN_01309402_0163
EN_01309402_0163

Adenovirus structure, computer illustration showing the surface structure of the virus's outer protein coat (capsid). Many adenoviruses infect the respiratory tract, causing common cold-like symptoms, and also infect the eyes and gut, particularly in children. The yellow protrusions are known as penton fibres and are found at each of the 12 vertices of the capsid. Each fibre is tipped with proteins, which allow the virus to enter its target cell.

EN_01309402_0164
EN_01309402_0164

Adenovirus structure, computer illustration showing the surface structure of the virus's outer protein coat (capsid). Many adenoviruses infect the respiratory tract, causing common cold-like symptoms, and also infect the eyes and gut, particularly in children. The yellow protrusions are known as penton fibres and are found at each of the 12 vertices of the capsid. Each fibre is tipped with proteins, which allow the virus to enter its target cell.

EN_01309402_0165
EN_01309402_0165

Illustration of rod-shaped bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Klebsiella, Citrobacter, Enterobacter, Yersinia pestis, Pseudomonas aeruginosa, Legionella pneumophila and Mycobacterium tuberculosis species.

EN_01309402_0166
EN_01309402_0166

Illustration of rod-shaped bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Klebsiella, Citrobacter, Enterobacter, Yersinia pestis, Pseudomonas aeruginosa, Legionella pneumophila and Mycobacterium tuberculosis species.

EN_01309402_0167
EN_01309402_0167

Illustration of rod-shaped bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Klebsiella, Citrobacter, Enterobacter, Yersinia pestis, Pseudomonas aeruginosa, Legionella pneumophila and Mycobacterium tuberculosis species.

EN_01309402_0168
EN_01309402_0168

Illustration of rod-shaped bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Klebsiella, Citrobacter, Enterobacter, Yersinia pestis, Pseudomonas aeruginosa, Legionella pneumophila and Mycobacterium tuberculosis species.

EN_01309402_0169
EN_01309402_0169

Illustration of rod-shaped bacteria. Rod-shaped bacteria include Escherichia coli, Salmonella, Shigella, Klebsiella, Citrobacter, Enterobacter, Yersinia pestis, Pseudomonas aeruginosa, Legionella pneumophila and Mycobacterium tuberculosis species.

EN_01309402_0170
EN_01309402_0170

Bartonella henselae bacteria, computer illustration. This bacterium causes cat-scratch disease, or bartonellosis, and was formerly known as Rochalimaea bacteria.

EN_01309402_0171
EN_01309402_0171

Bartonella henselae bacteria, computer illustration. This bacterium causes cat-scratch disease, or bartonellosis, and was formerly known as Rochalimaea bacteria.

EN_01309402_0172
EN_01309402_0172

Bartonella quintana bacteria, illustration. This is the causative agent of trench fever, and was formerly known as Rochalimaea bacteria.

EN_01309402_0173
EN_01309402_0173

Bartonella quintana bacteria, illustration. This is the causative agent of trench fever, and was formerly known as Rochalimaea bacteria.

EN_01309402_0180
EN_01309402_0180

Chlamydia trachomatis bacteria. Computer illustration showing two life stages of Chlamydia: elementary bodies (extracellular non-multiplying infectious stage, small green spheres) and an inclusion composed of a group of chlamydia reticulate bodies (intracellular multiplying stage, small red spheres) near the nucleus (violet) of a cell.

EN_01309402_0181
EN_01309402_0181

Chlamydia psittaci bacteria. Computer illustration showing two life stages of Chlamydia: elementary bodies (extracellular non-multiplying infectious stage, small orange spheres outside the cell) and an inclusion composed of a group of chlamydia reticulate bodies (intracellular multiplying stage, small orange spheres inside the cel) near the nucleus (violet) of a cell. Chlamydia species are atypical bacteria in that they are obligate intracellular parasites, living and reproducing only inside cells. This species causes abortion in animals and lung disease in humans.

EN_01309402_0182
EN_01309402_0182

Chlamydia psittaci bacteria. Computer illustration showing two life stages of Chlamydia: elementary bodies (extracellular non-multiplying infectious stage, small orange spheres outside the cell) and an inclusion composed of a group of chlamydia reticulate bodies (intracellular multiplying stage, small orange spheres inside the cel) near the nucleus (violet) of a cell. Chlamydia species are atypical bacteria in that they are obligate intracellular parasites, living and reproducing only inside cells. This species causes abortion in animals and lung disease in humans.

EN_01309402_0183
EN_01309402_0183

Chlamydia psittaci bacteria. Computer illustration showing two life stages of Chlamydia: elementary bodies (extracellular non-multiplying infectious stage, small orange spheres outside the cell) and an inclusion composed of a group of chlamydia reticulate bodies (intracellular multiplying stage, small orange spheres inside the cel) near the nucleus (violet) of a cell. Chlamydia species are atypical bacteria in that they are obligate intracellular parasites, living and reproducing only inside cells. This species causes abortion in animals and lung disease in humans.

EN_01309402_0208
EN_01309402_0208

Rotavirus particle, computer illustration. This virus particle consists of an RNA (ribonucleic acid) core surrounded by a triple layered capsid. Rotaviruses are probably the most common viruses to infect humans and animals. They are associated with gastroenteritis and diarrhoea - typically infecting the intestines of children aged from 6 months to 3 years. The viruses are spread in faeces.

EN_01309402_0209
EN_01309402_0209

Rotavirus particle, computer illustration. This virus particle consists of an RNA (ribonucleic acid) core surrounded by a triple layered capsid. Rotaviruses are probably the most common viruses to infect humans and animals. They are associated with gastroenteritis and diarrhoea - typically infecting the intestines of children aged from 6 months to 3 years. The viruses are spread in faeces.

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