s. aureus under the microscope, cell morphology

A and B). S. aureus are gram-positive cocci, often appearing in irregular clusters.They are generally perfectly spherical unlike streptococci which are more irregular and form chains of cocci

C) S. aureus viewed microscopically alongside E. coli, a gram-negative bacillus

D) close view of S. aureus showing their spherical shape and clustering formation

Text: Eva van Dijk