MICROANATOMY

Detailed explanation-1: -Pairs of cocci are called diplococci; rows or chains of such cells are called streptococci; grapelike clusters of cells, staphylococci; packets of eight or more cells, sarcinae; and groups of four cells in a square arrangement, tetrads.

Detailed explanation-2: -Examples of Cocci Bacteria: Cocci that are in pairs are known as diplococci (examples include, Streptococcus pneumoniae and Neisseria gonorrhoeae).

Detailed explanation-3: -Coccus Bacteria The cocci bacteria include Staphylococcus, named for the Greek word staphyl, meaning grapes, because, seen under a microscope, all bacteria have this characteristic shape. Staphylococcus is the cause of many skin infections. Streptococcus often causes throat infections.