General definitions

Please try to use the following templates for definitions of terms such as Atrophy of X that should be analogous for multiple organs. The template refers to the first sentence of the definition; if there are other particularities, they should be added after the first sentence.

Atrophy

Atrophy is the partial or complete wasting (loss) of tissue that was once present. Here is the definition for the HPO term Brain atrophy:

Partial or complete wasting (loss) of brain tissue that was once present.