0 (of a part of the body) to be reduced in size and therefore strength, or, more generally, to become weaker -- （身体部位）萎缩；衰退
Atrophy of the mucosa leads to some urethral dilation and this can cause decreased outflow resistance.
In contrast, production practice (with explicit information) resulted in learning that was available for use only in production and that atrophied markedly over time.
What are the effects of such deprivation and its associated atrophy in systems related to emotional and cognitive maturation?
Studies in animals are consistent with stress resulting in atrophy of the hippocampus, a brain area that plays an important role in learning and memory.
Daily workouts were essential, not just to limber up, but to activate muscles that atrophied from lack of use.
Female worms had atrophied ovaries but did not have alteration in the vitelline glands.
Furthermore, assigning rewards and punishments according to "just deserts" often entrenches undesirable behavior and atrophies the autonomous behavior we wish to promote.
It commonly occurs after childbirth or postmenopausally, when atrophy occurs related to oestrogen deficiency.
