immunohistochemical studies revealed a staining pattern for the rat protein similar to that seen for alpha 1-pap in the mouse , with positive cells being observed in lumbar lymph nodes , the lamina propria of gut mucosa , peyer 's patches , intracellularly in some hepatocytes and , during pregnancy , also in the placenta and metrial gland .
C0026724
mucosa
C0031272
peyer 's patches