Dental plaque, SEM

E coli bacteria, SEM

Stagnant water bacteria, SEM

E coli bacteria, SEM

E coli bacteria, SEM

Hoverfly head, SEM

E. coli bacteria, SEM

Moth proboscis, SEM

Tongue bacteria. Coloured scanning electron micrograph (SEM) of bacteria on the surface of a human tongue. Large numbers of bacteria can form a visible layer on the surface of the tongue. The mouth contains a large number of bacteria, most of which...

Mosquito head, SEM

Virus particles and bacteria, SEM

Sputum culture, SEM

Oral bacteria. Coloured scanning electron micrograph (SEM) of mixed oral bacteria (cocci and bacilli).

Lactobacillus casei bacteria, coloured scanning electron micrograph (SEM). Magnification: x3000 when printed at 10 centimetres wide.

Streptomyces coelicoflavus bacteria. Coloured scanning electron micrograph (SEM) of Streptomyces coelicoflavus bacteria (strands) and chains of Streptococcus bacteria (round).

Oral bacteria. Coloured scanning electron micrograph (SEM) of mixed oral bacteria (Streptococcus, round) with some bacilli bacteria (rod-shaped).

Oral bacteria. Coloured scanning electron micrograph (SEM) of mixed oral bacteria (Streptococcus, round) with some bacilli bacteria (rod-shaped).

Oral bacteria. Coloured scanning electron micrograph (SEM) of mixed oral bacteria, consisting mostly of rod-shaped bacteria (bacilli) and filamentous bacteria.

Streptomyces coelicoflavus bacteria. Coloured scanning electron micrograph (SEM) of strands of Streptomyces coelicoflavus bacteria. Streptomyces coelicoflavus is a filamentous soil bacterium.

Staphylococcus bacteria, coloured scanning electron micrograph (SEM). Staphylococcus bacteria are an example of cocci (round bacteria). They form grape-like clusters.

Colorized SEM of two rod-shaped carbapenem-resistant Klebsiella pneumoniae (CRKP) bacteria (yellow) interacting with a human neutrophil white blood cell (green)

"Colorized SEM of a human neutrophil white blood cell (blue) interacting with two rod-shaped, multidrug-resistant (MDR) Klebsiella pneumoniae bacteria (blue)"

Streptomyces coelicoflavus bacteria. Coloured scanning electron micrograph (SEM) of strands of Streptomyces coelicoflavus bacteria. Streptomyces coelicoflavus is a filamentous soil bacterium.

Oral bacteria. Coloured scanning electron micrograph (SEM) of mixed oral bacteria, consisting mostly of rod-shaped bacteria (bacilli) and filamentous bacteria.

Actinomyces viscosus bacteria. Coloured scanning electron micrograph (SEM) of strands of Actinomyces viscosus. Actinomyces viscosus is a filamentous soil bacterium, classified in the Actinobacteria.

Streptomyces coelicoflavus bacteria. Coloured scanning electron micrograph (SEM) of strands of Streptomyces coelicoflavus bacteria. Streptomyces coelicoflavus is a filamentous soil bacterium.

Staphylococcus bacteria, coloured scanning electron micrograph (SEM). Staphylococcus bacteria are an example of cocci (round bacteria). They form grape-like clusters.

Oral bacteria. Coloured scanning electron micrograph (SEM) of mixed oral bacteria (Streptococcus, round) and bacilli bacteria, with the intercellular strands being eDNA (extracellular deoxyribonucleic acid).

MRSA bacteria. Coloured scanning electron micrograph (SEM) of methicillin-resistant Staphylococcus aureus (MRSA) bacteria (round). MRSA is a Gram-positive, round (coccus) bacterium that is resistant to many commonly prescribed antibiotics.

MRSA bacteria. Coloured scanning electron micrograph (SEM) of methicillin-resistant Staphylococcus aureus (MRSA) bacteria (round). MRSA is a Gram-positive, round (coccus) bacterium that is resistant to many commonly prescribed antibiotics.

Streptococcus bacteria. Coloured scanning electron micrograph (SEM) of chains of Streptococcus bacteria with Streptomyces coelicoflavus bacteria in the background. Streptococcus bacteria are an example of cocci (round bacteria) that form chains.

Tongue bacteria, SEM