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.
The second date is the date of manufacture (MFG). The date of manufacture will let you know for how long the condom should be suitable for use. Usually, latex condoms can last up to 5 years after the date they were manufactured. However, if the latex condoms have spermicide, they will have a shorter lifespan of up to two years since the spermicides usually weaken the latex, making it degrade faster.