The morphology and structure of most ectopic endometrium were as same as the eutopic endometrium, though there were less epithelium and stroma in ectopic tissues.

• 光镜观察见大部分异位子宫内膜形态和结构与在位子宫内膜基本相同，但内膜细胞、间质细胞、腺体，与在位内膜相比较少。