the part of the large intestine that descends from the transverse colon to the sigmoid colon
双语例句
A postoperative histology confirmed the presence of a benign submucosal lipoma of the descending colon. 组织学检查显示该大肠肿瘤为降结肠黏膜下脂肪瘤。
The encircling mass of firm adenocarcinoma in this colon at the left is typical for adenocarcinomas arising in the descending colon. 左侧显示结肠坚硬腺癌的浸润性包块，是发生在降结肠的典型的腺癌。
