From recto- + sigmoiditis. <span class="searchmatch">rectosigmoiditis</span> (uncountable) inflammation of the sigmoid colon and rectum...
From procto- + sigmoid + -itis. proctosigmoiditis (uncountable) (pathology) inflammation of the rectum and the sigmoid colon <span class="searchmatch">rectosigmoiditis</span>...
rectorectal rectorrhagia rectosacral rectoscope rectoscopy rectosigmoid <span class="searchmatch">rectosigmoiditis</span> rectosigmoidoscopy rectosphincteric rectotomy rectourethral rectouterine...
mesosigmoid proctosigmoidectomy proctosigmoiditis proctosigmoidoscopy <span class="searchmatch">rectosigmoiditis</span> sigmoidal sigmoidectomy sigmoiditis sigmoidocele sigmoidopexy sigmoidoscope...