Ammonius Lithotomos: Ammonius Lithotomos (; fl. 3rd century BC), of Alexandria, was a Greek (some say Egyptian) lithotomist.Vasectomy: Table 26–1 = Table 3–2 Percentage of women experiencing an unintended pregnancy during the first year of typical use and the first year of perfect use of contraception, and the percentage continuing use at the end of the first year. United States.Electrocoagulation: Electrocoagulation (EC), aka radio frequency diathermy or short wave electrolysis, is a technique used for wash water treatment, wastewater treatment, industrial processed water, and medical treatment. Electrocoagulation has become a rapidly growing area of wastewater treatment due to its ability to remove contaminants that are generally more difficult to remove by filtration or chemical treatment systems, such as emulsified oil, total petroleum hydrocarbons, refractory organics, suspended solids, and heavy metals.Waldeyer's fascia: The Waldeyer's fascia is synonymous with the presacral fascia and is more commonly described in surgery textbooks, rather than in anatomy textbooks. Although Waldeyer himself did not actually describe this exact anatomy, it is credited to him as he was the first to describe the anatomy of pelvic fascia in detail.