Identify the organ shown.

Study for the CAMLPR Histology Practice Test. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Identify the organ shown.

The key idea is recognizing mucosal features that distinguish parts of the GI tract. The image shows a mucosa lined by simple columnar epithelium with many goblet cells and straight tubular glands (crypts of Lieberkühn), with no villi protruding into the lumen. This combination—numerous mucus-secreting goblet cells and absence of villi—is characteristic of the colon (large intestine). In the small intestine you’d expect villi and a different pattern of glands; in the esophagus the lining would be stratified squamous epithelium; in the stomach you’d see gastric glands with parietal and chief cells. Thus, the organ shown is the colon.

The key idea is recognizing mucosal features that distinguish parts of the GI tract. The image shows a mucosa lined by simple columnar epithelium with many goblet cells and straight tubular glands (crypts of Lieberkühn), with no villi protruding into the lumen. This combination—numerous mucus-secreting goblet cells and absence of villi—is characteristic of the colon (large intestine). In the small intestine you’d expect villi and a different pattern of glands; in the esophagus the lining would be stratified squamous epithelium; in the stomach you’d see gastric glands with parietal and chief cells. Thus, the organ shown is the colon.

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