Library / English Dictionary

RECTUM

Pronunciation (US):

(GB):

Irregular inflected form: recta   

 I. (noun) 

Sense 1

Meaning:

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

Classified under:

Nouns denoting body parts

Hypernyms ("rectum" is a kind of...):

body part (any part of an organism such as an organ or extremity)

Meronyms (parts of "rectum"):

arteria rectalis; rectal artery (one of the arteries supplying the rectal area)

anus (the excretory opening at the end of the alimentary canal)

Holonyms ("rectum" is a part of...):

large intestine (beginning with the cecum and ending with the rectum; includes the cecum and the colon and the rectum; extracts moisture from food residues which are later excreted as feces)

Derivation:

rectal (of or involving the rectum)

Credits

 Context examples: 

Surgery to remove the lower colon, rectum, and bladder, and create stomata (openings) through which urine and stool are passed out of the body.

(Pelvic exenteration, NCI Dictionary)

The organ could be the small intestine, colon, rectum, or bladder.

(Ostomy, NIH: National Institute of Diabetes and Digestive and Kidney Diseases)

Tube-like gland found in the lining of the colon and rectum.

(Colon crypt, NCI Dictionary)

Surgical removal of part or all of the colon and/or rectum.

(Colon and Rectal Surgery, NCI Thesaurus)

A non-metastasizing neoplasm arising from the wall of the colon and rectum.

(Benign Colorectal Neoplasm, NCI Thesaurus)

Drinking regular or large amounts of alcohol may increase the risk of certain types of cancer, such as cancer of the mouth, throat, esophagus, breast, liver, colon, and rectum.

(Alcohol, NCI Dictionary)

Representative examples include the adenomatous polyps of the colon and rectum.

(Adenomatous Polyp, NCI Thesaurus)

Clusters of abnormal tube-like glands in the lining of the colon and rectum.

(Aberrant crypt foci, NCI Dictionary)

Prostate cancer, this buildup of abnormal cells in a man’s prostate — a gland below the bladder and in front of the rectum — often has no early symptoms and usually grows very slowly.

(Biomarker Signatures of Prostate Cancer, NIH)

A non-metastasizing neoplasm arising from the wall of the rectum.

(Benign Rectal Neoplasm, NCI Thesaurus)