abscising

v.

shed flowers and leaves and fruit following formation of a scar tissue

remove or separate by abscission

1. The process of abscising leaves occurs in many trees during the fall.
   许多树木在秋季会发生叶子切除的过程。
2. In certain treatments, abscising damaged tissue is necessary for healing.
   在某些治疗中，切除受损组织对于愈合是必要的。