Verna-Latin-The spring season. A great name for the dog that you adopt in the spring time. Vespera-Latin-The evening star. This girl dog is at her best in the evening. Virginia-Latin-A lady who is pure and virginal.
Mannitol Salt Agar (MSA) is a selective and differential medium. The high concentration of salt (7.5%) selects for members of the genus Staphylococcus, since they can tolerate high saline levels.
MRSA is any strain of Staphylococcus aureus that has developed, through horizontal gene transfer and natural selection, multi- resistance to beta-lactam antibiotics, which include the penicillins (methicillin, dicloxacillin, nafcillin, oxacillin, etc.) and the cephalosporins.