BIOL 2053 Lecture 23: Non-sporous Bacilli, part 2
20 Oct 2018
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. ly ses a- ha emo erythrocytes lysis : b- haemohys. no : when. 3mm grown on greenish zone blood agar clear zone of complete lysis. Extracellular strep to kinases enzymes dissolves break down host molecules host blood clots fused in medicine ) strep to ly sins : damages. M . protein : capsules and leukocyte membranes resist phagocytosis. Invasive streptococcal infections with very specific virulence factors . that penetrate a wound and quickly spread. Streptococcal pharyngitis transmitted strep throat i by saliva or nasal. G- haemolysis droplets and secretions streptococci stimulate inflammatory response and. Swelling blood vessels leaves cells lymph node enlargement and deposits in surrounding in throat. Streptococcus pneumoniae a- haemolytic streptococcus of upper respiratory tract viral injury secondary build up in alveoli in lungs infectious i physical liquid infection bacterial. 60 - got of all cases caused by pneumonia cocci. Bacteria multiply produce blood cells rapidly in fluid and sinusitis a ear infections alveolar spaces and produce toxins to.
