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
Line in the sand (phrase) Line in the sand (phrase) A line in the sand is a metaphor with two similar meanings: Biblical link to John 8:6. Some have (perhaps erroneously) interpreted Jesus' writing in the sand, as drawing a line in the sand in order to address those who are about to stone a woman caught in adultery. However, the literal translation is not that he drew a line in the sand, but that he "wrote" (or "drew lines" in some translations) in the sand, an important distinction. The exact origin of the phrase is unknown: the "Oxford English Dictionary" suggests a transitional use