V2EX rectum

Rectum

Definition / 定义

rectum(名词):直肠;大肠的末段,连接乙状结肠与肛门,主要功能是暂存粪便并参与排便过程。(在医学语境中常用;日常口语中较少直接使用。)

Pronunciation / 发音

/rktm/

Examples / 例句

The doctor examined the rectum to check for bleeding.
医生检查了直肠,以确认是否有出血。

Inflammation in the rectum can cause pain, changes in bowel habits, and urgency to use the bathroom.
直肠发炎可能引起疼痛、排便习惯改变以及强烈的便意。

Etymology / 词源

源自拉丁语 **rectum (intestinum)**,意为“(肠道中)直的部分”。早期解剖学家认为这一段肠道相对“更直”,因此得名;现代解剖学上它并非完全笔直,但名称沿用至今。

Related Words / 相关词汇

Literary Works / 文学与著作例证

  • Gray’s Anatomy(《格雷氏解剖学》)
  • The Merck Manual(《默克诊疗手册》)
  • Campbell-Walsh-Wein Urology(《坎贝尔-沃尔什-温泌尿外科学》)
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