disposable soma theory


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disposable soma theory

n
(Zoology) the theory that ageing is caused by the body having increasingly fewer resources to allocate towards repairing wear and damage to tissues
References in periodicals archive ?
The disposable soma theory states that, although the genes are immortal and can indeed "live forever" by being continually passed on to subsequent generations, the body or "soma" is disposable because it is designed to live only long enough to act as a vehicle for carrying genes to the next generation.
Experiments in caloric restriction (CR) are a challenge for any of the "tradeoff" theories of aging, but the disposable soma theory is particularly vulnerable, exactly because it is premised on a tight calorie budget.