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Stomach, mucosa (cross section)

Notes

The surface of the stomach is lined by surface mucous cells which comprise a simple columnar epithelium.  This epithelium is formed into numerous gastric pits, in the region labelled C in this image.  The mucosa beneath the pits is relatively thick and densely packed with simple tubular gasric glands, in the region labelled A and B above.  

The upper region of each gastric gland (B above) is fairly straight and perpendicular to the mucosal surface.  The deeper region of the gland (A above) is often more twisted.

At low magnification, such as the image above, the various secretory cells present the appearance of three indistinct bands parallel to the mucosal surface:

Mucous neck cells are most common in the necks of the glands (near the line drawn between B and C in the figure above).

Each of these mucosal regions may be examined at higher power:

The submucosa of the stomach is relatively unspecialized.


Related examples:


Comments and questions: dgking@siu.edu

SIUC / School of Medicine / Anatomy / David King

http://www.siumed.edu/~dking2/erg/GI100b.htm
Last updated:  11 February 2002 / dgk