Use VLOOKUP when lookup values are located in the first column of a table with information organized vertically. Use HLOOKUP when lookup values are located in the first row of a table, and each record appears in a new column. Range_lookup controls whether value needs to match exactly or not.
senescence - the organic process of growing older and showing the effects of increasing age. ageing, aging. catabiosis - normal aging of cells. biological process, organic process - a process occurring in living organisms.
This stage is known as replicative senescence.. Cellular senescence is a necessary mechanism to eliminate worn-out cells, but it also appears to contribute to premature aging and shorter human lifespans. Telomere length is a marker of both biological and cellular aging.