rectally直肠给药rectaladj.直肠的rectal schisosomiasis直肠血吸虫病rectal biopsy forceps直肠活组织取样钳Rectal cancer surgery直肠癌根治术rectal irrigation tip灌肠用肛门塞头rectal tampon forceps直肠填塞钳rectal administration直肠投药rectal adenocarcinoma直肠腺癌rectal instilling tube直肠滴注管Rectal mucous membrane直肠粘膜rectal neoplasms/SU直肠肿瘤/外科学