Virulence factors of Bordetella pertussis
Bordetella pertussis is a small non-motile, non-sporing ovoid. Gram negative cocco-bacillus. It measures about 1-1.5µm x 0.3µm and is haemolytic. Capsulated (fresh isolates from patients),...
Blood and its composition
red coloured fluid connective tissue. Alkaline and salty in taste (pH 7.35-7.45). 7-8% of body weight. Average volume is 5-6 litres in male and 4-5...