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
Names for the number 0 in English through different routes but have the same etymological root, which is the Arabic "صفر" (which transliterates as "sifr"). Via Italian this became "zefiro" and thence "zero" in modern English, Portuguese, French, Catalan and Italian ("cero" in Spanish). But via Spanish it became "cifra" and thence "cifre" in Old French and "cipher" in modern English (and "chiffre" in modern French). "Zero" is more commonly used in mathematics and science, whereas "cipher" is used only in a literary style. Both also have other connotations. One may refer to a person as being a "social cipher", but would name them "Mr. Zero", for