Question 1 - Single Best Answer
E) small intestine
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Although the duodenum is a component of the small intestine, you need to be a little more specific. Because the jejunum and ileum do not contain glands (i.e., Brunner's glands) but do contain lymphatic tissue in their submucosa, this photomicrograph can be identified specifically as the duodenum. The pictures below are more like the jejunum and ileum.