n.the terminal section of the alimentary canal; from the sigmoid flexure to the anus

Über die Form des menschlichen Rectums
Chlamydia trachomatis infections in the female rectums.
Species Specific Effect of Acetylcholine on Bivalve Rectums
Methodology for registration of distended rectums in pelvic CT studies
The "inadequate doughnut"technique for stapling in rigid rectums.
Ueber Resorption von Kohlehydraten von der Schleimhaut des Rectums
Specific-antibody-secreting cells in the rectums and genital tracts of nonhuman primates following vaccination.
A deformable image registration method to handle distended rectums in prostate cancer radiotherapy
Histologic changes in defunctioned rectums in patients with inflammatory bowel disease: a clinicopathologic study of 82 patients wit...
Non-O157:H7 Shiga toxin-producing Escherichia coli in bovine rectums and surface water streams on a beef cattle farm in Argentina.