Figure 2From: Human embryonal epithelial cells of the developing small intestinal crypts can express the Hodgkin-cell associated antigen Ki-1 (CD30) in spontaneous abortions during the first trimester of gestation8th week of gestation (voluntary abortions). Weak to moderate expression of Ki-1 (CD30) antigen in the developing crypts. Immunohistochemical stain X 400.Back to article page