Culdoscope dead-end street (or a dead-end way), a blind alley. Tsin DA.Development of flexible culdoscopy J Am Assoc Gynecol Laparosc. 2000 Aug;7(3):440; author reply 441-2. Culdoscope Culdoscope is an instrument, a kind of endoscope, used to visualize female pelvic organs, introduced through the vagina into the cul-de-sac (which is also called the rectouterine pouch or the pouch of Douglas). The procedure of inserting the culdoscope into the rectouterine pouch is termed culdoscopy. The word culdoscope (and culdoscopy) is derived from the phrase cul-de-sac, which in French literally means "bottom of a sac", here referring to a blind pouch or cavity in
Blind Alley to make a link between those novels and this short story. In the 'Second Foundation' trilogy, a series of books authorized by the estate of Asimov, a race of aliens within the Foundation Universe is mentioned who appear to be in circumstances similar to the Cepheids. Although they are not mentioned by name, a major character in this story is. A subplot in "Foundation's Triumph" investigates the problem raised in this story. Blind Alley "Blind Alley" is a science fiction short story by American writer Isaac Asimov. It was first published in the March 1945 issue of "Astounding Science Fiction",