Figure 12From: Changes in intestinal morphology, number of mucus-producing cells and expression of coronavirus receptors APN, DPP4, ACE2 and TMPRSS2 in pigs with agingSchematic overview of expression of coronavirus receptors APN, DPP4, ACE2 and TMPRSS2 in different regions of porcine intestines and ages. Green represents receptor+ cells.Back to article page