part of surface simple columnar epithelium (arrow). (PAS). 3B: the fundic
region showing alcian blue negative and PAS positive fundic glands (arrow).
(Combined AB and PAS). 3C: the superficial lining epithelium (white arrowhead)
as well as the glandular cells (black arrowheads) showed positive reactivity
for acid phosphatase. (Gomori Lead Nitrate method). 3D: The mucosa of the
fundic region showing positive reaction of enteroendocrine cells on the surface
epithelium (arrow) and fundic glands. (Grimelius).
