VIROLOGY MORPHOLOGY AND BIOLOGIC FEATURES As a group, the enteroviruses are picornaviruses that are extremely small (22-30 nm in diameter), naked capsid virions with icosahedral symmetry. They possess single-stranded, positive-sense…
POXVIRUSES: GROUP CHARACTERISTICS Poxviruses are large, brick-shaped or ovoid, linear double-stranded DNA (130-300 kbp) containing core within a double membrane and a lipoprotein envelope carrying virions measuring approximately 350 ×…
Major cause of disease and death worldwide Currently, about half of the world’s population lives in areas where malaria transmission could or does occur; of these, approximately 250 to 400…
FIGURE 42–1. A yeast cell showing the cell wall and internal structures of the fungal eukaryotic cell plan. (Reproduced with permission from Willey JM: Prescott, Harley, & Klein’s Microbiology, 7th…
FIGURE 41–1. Dental plaque biofilm. The stages of formation of the bacterial biofilm called dental plaque are shown. Early colonizers bind to the enamel pellicle and late colonizers bind to…
As a reasonable generalization the microvascular complications (retinopathy, nephropathy, and peripheral neuropathy) are markedly influenced by good blood glucose control, while the macrovascular complications (myocardial infarction, stroke, and peripheral vascular…
One clinical challenge posed by gastrointestinal (GI) tract symptoms is to distinguish the so-called “functional” (nonpathologic) from the “organic” (structural or pathologic) disorders, since some patients have hyperawareness of normal…
