rectaladj.直肠的
rectal scoop直肠匙
rectal probe直肠探条
rectal valve直肠瓣
Rectal mucus直肠粘液
rectal gills直肠鳃
rectal touch直肠指诊
rectal cauda管尾
rectal tumer直肠肿瘤
rectal polyp直肠息肉
rectal punch直肠息肉咬除钳