Breast Infection Causes. Mastitis is an infection of the tissue of the breast that occurs most frequently during the time of breastfeeding. It can occur when bacteria, often from the baby's mouth, enter a milk duct through a crack in the nipple. Breast infections most commonly occur one to three months after the delivery of a baby, but they can occur in women who have not recently delivered as well as in women after menopause.
Coccus (plural cocci) is a term used to describe any bacterium that has a spherical, ovoid, or generally round shape.It is one of the three distinct bacterial shapes, the other two being bacillus (rod-shaped) and spiral-shaped cells.Coccus is an English loanword of a Neolatin noun, which in turn stems from the Greek masculine noun kokkos (ÎºÏÎºÎºÎ¿Ï) meaning berry.t is one of the three distinct bacterial shapes, the other two being bacillus (rod-shaped) and spiral-shaped cells. Coccus is an English loanword of a Neolatin noun, which in turn stems from the Greek masculine noun kokkos (ÎºÏÎºÎºÎ¿Ï) meaning berry.
Noun. 1. coccus-any spherical or nearly spherical bacteria. cocci. eubacteria, eubacterium, true bacteria-a large group of bacteria having rigid cell walls; motile types have flagella.