Figure 1 | Scientific Reports

Figure 1

From: The three muscle layers in the pyloric sphincter and their possible function during antropyloroduodenal motility

Figure 1

The thickest longitudinal muscle bundles at the pyloric sphincter (PS) wall and the longitudinal bundles entering the PS. (A) The longitudinal bundles (arrows) of the stomach became thicker at the pyloric canal (PC) wall, especially on the side of the lesser curvature (LC), and the longitudinal bundles (arrows) were the thickest at the PS wall in a longitudinal section through the PS wall including the LC and greater curvature (GC). (B) Some longitudinal bundles (arrows) entering the PS in a longitudinal section of the PS were cut including the LC and GC. The longitudinal bundles were more prominent in the PS on the LC side than the GC side. cD circular bundles of the duodenum.

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