In Vivo Versus in Vitro Studies
In vivo studies reveal that Rickettsia rickettsii invade endothelial lining of small to medium vessels in the human host, causing vascular permeability. When tested in vitro, it is shown that the bacterium infects every kind of cell of the mammalian host.
Read more about this topic: Rickettsia Rickettsii
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“Even if one studies to an old age, one will never finish learning.”
—Chinese proverb.