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Question:
Response:
The jejunum is characterized by the presence of numerous large folds in the submucosa, called plicae circulares (valves of Kerckring).
1) Surface mucous cells are special cells in the stomach 2) They secrete protective tough mucous (against acid / enzymes)
Cells which secrete pepsinogen into the stomach are called:
Permanent folds in the wall of the intestine, containing a core of submucosa, are called:
Which the following staining methods was used on this tissue slide?
Taenia coli are:
Esophageal glands are located:
The muscularis externa in the stomach differs from that of other GI segments in that it has three layers of muscle instead of two.