Here in the stomach, a trichrome stain demonstrates a blue submucosa because of the extensive fibrosis. 图示胃粘膜下层广泛纤维化,三色染色呈蓝色。
Some nitrergic nerve ganglions were observed in the muscle layer or in the submucosa along the side of the circular muscle layer. 在肌层和粘膜下层靠近环行肌一侧可见到氮能神经节。