The submucosa shows intense inflammation.

黏膜下层有严重的炎症。

The submucosa and muscularis, however, are still intact.

然而，黏膜下层和肌层仍然保持完整。

The muscularis mucosae derived from the muscle stem cells in the submucosa.

黏膜肌层起源于黏膜下层的肌肉干细胞。

Solid nests of neoplastic cells are infiltrating down through the submucosa at the right.

左侧可见肿瘤细胞巢正向下浸润突破黏膜下层。

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。