Figure 1From: The role of Serine Proteases and Serine Protease Inhibitors in the migration of Gonadotropin-Releasing Hormone neuronsSagittal section of a stage 21 chick embryo depicting the implanted bead (B) within the olfactory epithelium (OE). Tissue is counterstained with cresyl violet. Bead implantation did not disrupt the pseudostratified morphology of the placode epithelium (arrows). E=eye. Scale bar= 30 μm.Back to article page