What is the typical shape of Streptococcus bacteria?

Streptococcus bacteria are characterized by their spherical shape and are classified as cocci. These bacteria typically appear in chains or pairs when observed under a microscope after cultivation. The term "cocci" specifically refers to their round shape, and while "spheres" might seem similar, the term "cocci" is the more precise classification in microbiology, which describes bacterial morphology. Streptococcus does not exhibit the rod (bacilli) or spiral shapes that are characteristic of other bacterial groups. Understanding these shapes is crucial in microbiology as it helps in identifying and classifying different types of bacteria, which can inform their pathogenicity, treatment options, and other biological behavior.