Figure 4
Cross section of rectum at (50-55) days of gestation showing: Undifferentiated mesenchymal layer (M), lumen of rectum (L). (trichrome Masson’s stain, 10X).
Cross section of rectum at (50-55) days of gestation showing: Undifferentiated mesenchymal layer (M), lumen of rectum (L). (trichrome Masson’s stain, 10X).