Apical Ectodermal Ridge (AER)
The AER is a thickened layer of ectodermal cell at the distal tip of a developing limb bud. Along with the zone of polarizing activity, it is a crucial organizing region during limb development.
The AER is a thickened layer of ectodermal cell at the distal tip of a developing limb bud. Along with the zone of polarizing activity, it is a crucial organizing region during limb development.