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rectum    音标拼音: [r'ɛktəm]
n. 直肠

直肠

rectum
n 1: the terminal section of the alimentary canal; from the
sigmoid flexure to the anus

Rectum \Rec"tum\ (-t?m), n. [NL. (sc. intestinum), fr. L. rectus
straight. See {Right}.] (Anat.)
The terminal part of the large intestine; -- so named because
supposed by the old anatomists to be straight. See Illust.
under {Digestive}.
[1913 Webster]

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  • Rectum - Wikipedia
    The rectum (pl : rectums or recta) is the final straight portion of the large intestine in humans and some other mammals, and the gut in others Before expulsion through the anus or cloaca, the rectum stores the feces temporarily
  • Rectum: Function, Anatomy, Length Location - Cleveland Clinic
    Your rectum, at the end of it, curls under your abdominal organs, toward your anus It exists in the pelvic cavity between your abdomen and pelvis floor muscles The top connects to your sigmoid colon and the bottom connects to your anus
  • Rectal cancer - Symptoms and causes - Mayo Clinic
    The rectum is the last several inches of the large intestine It starts at the end of the final segment of the colon and ends when it reaches the short, narrow passage known as the anus Cancer inside the rectum and cancer inside the colon are often referred to together as colorectal cancer
  • Overview of the Anus and Rectum - Digestive Disorders - Merck Manual . . .
    The rectum is the section of the digestive tract above the anus where stool is held before it passes out of the body through the anus The anus is formed partly from the surface layers of the body, including the skin, and partly from the intestine
  • The Rectum: Anatomy and 3D Illustrations - Innerbody
    The rectum is the final segment of the large intestine that connects the colon to the anus It stores fecal matter produced in the colon until the body is ready to eliminate the waste through the process of defecation
  • Rectum: Defintion, function, and anatomy - Medical News Today
    The rectum, or intestinum rectum, forms part of the digestive system, sitting in the furthest area of the large intestine It links the gastrointestinal (GI) tract to the anus
  • Rectum Anatomy, Diagram Function | Body Maps - Healthline
    The rectum is the concluding part of the large intestine that terminates in the anus The average length of the human rectum may range between 10 and 15 cm Its diameter can be compared to that
  • Rectum and Anus - Digestive Disorders - MSD Manual Consumer Version
    The rectum is a chamber that begins at the end of the large intestine, immediately following the sigmoid colon, and ends at the anus (see Overview of the Anus and Rectum) Ordinarily, the rectum is empty because stool is stored higher in the descending colon
  • Rectum | Colon, Anal Canal, Sphincters | Britannica
    rectum, terminal segment of the digestive system in which feces accumulate just prior to discharge The rectum is continuous with the sigmoid colon and extends 13 to 15 cm (5 to 6 inches) to the anus





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