Examlex
The Viking spacecraft searched for life on Mars by looking for the effects of life in the upper atmosphere.
Rectum
The final section of the large intestine, terminating at the anus, where feces are stored before being expelled.
Anal Canal
The final segment of the digestive tract through which feces are excreted from the body.
Fecal Incontinence
The inability to control bowel movements, causing unintended leakage of stool from the rectum.
Hemorrhoids
Swollen veins in the lower rectum and anus, often causing pain, discomfort, and rectal bleeding.
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