History
Vaginal and anal specula were used by the ancient Greeks and Romans, and speculum artifacts have been found in Pompeii. A vaginal speculum, developed by J. Marion Sims, consists of a hollow cylinder with a rounded end that is divided into two hinged parts, somewhat like the beak of a duck. The speculum is inserted into the vagina to dilate it for examination of the vagina and cervix.
Read more about this topic: Speculum (medical)
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