Endometriosis is a condition that causes endometrial tissue to grow outside of the uterus. This tissue can be found in patches on the surface of the ovaries, bladder, colon and abdomen.
It refers to the fact that the bottles were 1/5th of a gallon. These days most bottles are 750 ml, which is close to 1/5 of a gallon. A gallon contains 128 fluid ounces. So a fifth (1/5) or 750ml contains a tad more than 25 oz, or 25 one-ounce shots. Of course, many use 1 Â½ ounce for a standard shot which is around 16 shots. Bar Measurement Chart.
When we go to buy a fifth of whiskey we are actually, today, buying a bottle that contains 750ml of liquid. We Americans, of course, will want to know how many ounces in a fifth. 750 milliliters is just about 25.4 ounces. This amount is the same as a standard wine bottle. The term fifth, however comes from when bottles were 4/5 of a quart, which is the same as 1/5 of a gallon.