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Question:
Response:
Which layer is highlighted in this tissue slide?
Enteroendocrine cells, an inconspicuous but important epithelial cell type, occur:
The jejunum is characterized by the presence of numerous large folds in the submucosa, called plicae circulares (valves of Kerckring).
The epithelium lining the esophagus is:
The muscularis externa in the stomach differs from that of other GI segments in that it has three layers of muscle instead of two.
Cells which secrete pepsinogen into the stomach are called:
Which the following staining methods was used on this tissue slide?
The mucosa of the colon is characterized by straight crypts with no villi.
