Chick intracoelomic grafts composed of endoderm plus transfected MIC 216 cells show a morphogenetic effect of epimorphin-syntaxin 2. Standard periodic acid–Schiff staining of 5-μm cryosections of 13-day-old grafts composed of intestinal endoderm and (a) MIC 216 (b) pCEN (c) EpiS2, and (d) EpiAS1 cells. Magnification: ×25.