1, 2 It contains all normal layers of the intestinal wall and, in approximately 50 percent of cases, contains tissue from other sites (ectopic tissue). 2 This ectopic, or heterotopic, tissue can often be the cause of complications occurring in Meckel's diverticulum. Meckel's diverticulum occurs in about 2 percent of the population, making it the most prevalent congenital abnormality of the gastrointestinal tract.
A common helium-filled latex balloon lasts from about 12 hours up to two days. However, the size, type of material, and presence of a sealant all affect the balloon's lifespan. The treatment and level of activity to which the balloon is subjected also affects how long it floats.
To help you decide whether to âkeep or tossâ those cans and containers, hereâs a general guide to how long common materials will last: Paints, stains, and varnishes should be stored at temperatures above 32Â°. Under these conditions, opened cans of latex paint will last for 1 year, unopened. cans for 2 years; oil-based paint will last 1 year, opened or unopened.