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.
What is the average life span of kitchen appliances? The average lifespan for a dishwasher or garbage disposal is 10 years, 14 to 17 years for a refrigerator and 11 years for a microwave, according to a 1998 report from the National Association of Home Builders. For a gas range, the average lifespan is 19 years.