外膜：完全由结缔组织构成。
病理学上主要为富含成纤维细胞的纤维结缔组织构成。
It was pathologically consisted of fibrous connective tissue rich in fibroblasts.
直肠侧韧带主要由盆丛发至直肠的分支及结缔组织构成。
The main components of the lateral ligament were autonomic nerves passing from the pelvic plexus to the rectum within a condensation of connective tissue.
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