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Aggregated lymphoid nodules: Peyer's patch

Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x

Secondary lymphoid nodules <p>Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x</p>

Secondary lymphoid nodules

Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x

- Germinal centers <p>Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x</p>

- Germinal centers

Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x

Diffuse lymphoid tissue <p>Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x</p>

Diffuse lymphoid tissue

Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x

Dome <p>Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x</p>

Dome

Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x

Mucosa <p>Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x</p>

Mucosa

Lymphoid nodules also occur in aggregations, such as Peyer’s patches. Although located throughout the small intestine, Peyer’s patches are regularly found in the ileum. A single Peyer’s patch contains clusters of secondary nodules surrounded by diffuse lymphoid tissue. A dome is typically seen on the luminal side of the patch. 40x

Image source > <p>Image taken of a slide from the University of Mississippi collection.</p>

Image source >

Image taken of a slide from the University of Mississippi collection.

Main Slide Secondary lymphoid nodules - Germinal centers Diffuse lymphoid tissue Dome Mucosa Image source >