Senescence

From wikipedia: Senescence (from Latin: senescere, meaning “to grow old,” from senex) or biological aging is the process of accumulative changes to molecular and cellular structure that disrupts metabolism with the passage of time, resulting in deterioration and eventually bringing about death. Senescence occurs both on the level of the whole organism (organismal senescence) as well as on the level of its individual cells (cellular senescence).  Species with… Continue reading Senescence