Kefir grains, a symbiotic culture of bacteria and yeasts. Traditional kefir is fermented at ambient temperatures, generally overnight. Fermentation of the lactose yields a sour, carbonated, slightly alcoholic beverage, with a consistency and taste similar to thin yogurt.
Aim: glans expansion. technique: urethral dilatation. I purchased a set of urethral sounds made from surgical quality stainless steel, with the following dimensions: 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38 F (1 F = 3 mm). I have been training for months approximately 1 hour once a week with sounds of successive dimensions and am now able to insert the biggest sound.
In the published literature the upper limit of the CBD has been reported as 4â10 mm on ultrasound [3] , [4] , [5] , [6] and [7] . The mean diameter of the common bile duct measured by US was reported as 4.1 mm in the study by Parulekar [4] .owever, others found dilatation of the CBD in patients after cholecystectomy [7] and [10] . In this study we aimed to find the size of the normal common bile duct on MDCT. We searched age related changes in the diameter of the common bile duct.