Please enable JavaScript.
Coggle requires JavaScript to display documents.
Ch.19 L.2 (More about staphylococcus (transmitted via direct contact or by…
Ch.19 L.2
-
Folliculitis
-
base of the follicle becomes red, swollen, and pus filled
-
-
Furuncle
-
large, painful, raised nodular extension of folliculitis that result from spread of the infection into surrounding tissue
-
-
Gram-positive, anaerobic bacteria where the spherical cells are clustered in grape like arrangements
-
Two types of species of Staphylococcus are found on human skin as well as Upper Respiratory, GI, Urinary, & Genital tracts
Enzymes
-
Coagulase
clots blood, which may hide the bacterium from phagocytosis
-
-
Lipases
present in S. epidermidis, digests lipids, even sebum, providing the pathogen with food on the surface of the skin, hair follicles, and sebaceous glands
β-Lactamase
gives resistance to many beta-lactam antimicrobial drugs like PCN and cephalosporin (drugs that β-lactamase inactivates (disables)
-
Staphylococcus aureus
The more virulent pathogen grows in nasal passages, and produces a wide variety of disease conditions and symptoms
-
avoid the body’s defenses by creating loosely organized polysaccharide slime layers (capsules) that stop chemotaxis and phagocytosis by leukocytes
-