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Mary Gorton
Microbiology Research paper
Page 1
General defense mechanisms associated with the digestive system
The gastrointestinal tract is a lymphoid organ, and the lymphoid tissue within it is collectively referred to as the gut-associated lymphoid tissue or GALT. The number of lymphocytes in the GALT is roughly equivalent to those in the spleen, and, based on location, these cells are distributed in three basic populations:
1. Peyer's Patches: These are lymphoid follicles similar in many ways to lymph nodes, located in the mucosa and extending into the submucosa of the small intestine, especially the ileum. In adults, B-lymphocytes predominate in Peyer's patches. Smaller lymphoid nodules can be found throughout the intestinal tract.
2. Lamina propria lymphocytes: These are lymphocytes scattered in the lamina propria of the mucosa. A majority of these cells are IgA-secreting B cells.
3. Intraepithelial lymphocytes: These are lymphcytes that are positioned in the......
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Title: General Defense Mechanisms Associated With The Digestive System
Approximate Word Count: 1782
Approximate Pages: 8 (250 words per double-spaced page)
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General Defense Mechanisms Associated With The Digestive System
General defense mechanisms associated with the digestive system. Mary Gorton
Microbiology Research paper Page 1 General defense mechanisms ... ... -
Nestle History
... no other major food brand, including General Mills, has ... Then as competitors design
their defense in those ... the company must implement mechanisms allowing it to ... ... -
Dinos
... However, there is general agreement that some behaviors which ... to be used for active
defense, so they ... and debate has focused on the mechanisms of temperature ... ...
