Fig. 1
From: A histochemical study of the Nras/let-60 activity in filarial nematodes
a Anti-Nras staining of host cellular reaction associated with adult O. volvulus demonstrating the intensity of Nras staining in the plasma cells and the general absence of staining in other host cells. b 8-bit grayscale converted image of host plasma cell zone, showing the selection of positive cells (arrow) as control values for quantification purposes