Figure 5From: Ependymal alterations in sudden intrauterine unexplained death and sudden infant death syndrome: possible primary consequence of prenatal exposure to cigarette smokingFloor of fourth ventricle of a fetus aged 30 gestational weeks showing high expression of (a) apoptosis and (b) GFAP immunopositivity in the ependyma and subependymal layer. ( Klüver-Barrera stain; magnification, 20×.Back to article page