.healthyswimming.or. g. Protecting swimmers and their families from RWIs. is the reason that pool staff regularly check. both chlorine and pH levels. Chlorine and pH, your disinfection team, are the first defense. against germs that can make swimmers sick.
[kokâ²És] pl. cocci. Etymology: Gk, kokkos, berry. a bacterium that is round, spheric, or oval, such as gonococcus, pneumococcus, staphylococcus, and streptococcus. coccal, adj.
Bacteria, which are spherical or ovoid in shape, are called âcoccusâ (plural: cocci) (Figure 2.2). Based on the arrangement of the cells they are of the following types. (a) Coccus: The spherical bacteria cells, called cocci, are present as single individuals. (b) Diplococcus: The cocci are arranged in pairs. (c) Streptococcus: The cocci are arranged in chains, as the cells divide in one plane. (d) Tetrads: The cocci are arranged in packets of four cells, as the cells divide in two plains. (e) Staphylococcus: The cocci are arranged in grape-like clusters formed by irregular cell divisions in three plains.