Sertoli cell, Sertoli's cell-elongated cells found in the seminiferous tubules of the testis; apparently they nourish the spermatids. biological science, biology-the science that studies living organisms. plant cell-a cell that is a structural and functional unit of a plant.
The life expectancy of a toilet is more than 100 years. In fact, a study conducted by the National Association of Home Builders determined that toilets can last indefinitely.
A couple of years ago the NAHB, along with Bank of America, put out some research entitled the Study of Life Expectancy of Home Components. According to the results, the average lifespan for a modern dishwasher is just nine years. Although my Maytag was working well up until the accident, I purchased it back in 2001 and it appears to be bumping up against its expiration date.