The prime function of the rectum is to act as a distensible reservoir for faeces, while the anal canal incorporates in its wall a powerful muscular sphincter which is of paramount importance in the mechanism of faecal continence. Diseases of the rectum and anal canal, both benign and ...
Define anal canal. anal canal synonyms, anal canal pronunciation, anal canal translation, English dictionary definition of anal canal. n the terminal part of the rectum forming the passage to the anus Collins English Dictionary – Complete and Unabridged
Polyps are macroscopically visible circumscribed protrusions from a mucosal surface ranging in size from a few millimeters to several centimeters. Polyps of the colon and rectum can be broad-based, narrow-based, or stalked. They may have a smooth or papi
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Cross section of the rectum and anal canal. Anatomy of rectum.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行、
It is furthest from the rectum, anal canal, and anus. The transverse colon forms a bridge between the right and the left colon. The left colon is made up of the descending colon and the sigmoid colon. The sigmoid colon connects the descending colon to the rectum. The color of blood in...
A Summary of the Clinical Features of 100 Cases of Benign Lymphoma of the Rectum and Anal Canal Lundin PM, Schooley JC. JS Cornes,MH Wallace,BC Morson - 《Proceedings of the Royal Society of Medicine》 被引量: 23发表: 1961年 Stromal neoplasms of the rectum and anal canal Nineteen mural...
duodenum(十二指肠),the jejunum(空肠)and theileum(回肠).The cecum (盲肠)marks the division between the small and large intestine. Thelarge intestinealso called the colon(结肠), consists of thececum,rectum(直肠), andanal canal(肛管).It also include...
Surgical Anatomy of the Rectum, Anal Canal, Perineum, and ColonThe two levator ani muscles form a funnel whose outlet begins at the level of the puborectal sling and there forms a sharp angle — about 90° — backward. The medial fibers of the levator ani form a......
Gastrointestinal stromal tumors (GIST) of the stomach are the most frequent followed by those of the intestinal tract, while colon and rectum represent rare sites. GIST of the anal canal are extremely rare. They have been studied along with GIST of the rectum, as a single entity, and along...