An elastic body will stretch when loaded. A rigid body willl not. A rigid body is a theortical body only in which stiffness is infinite.
The polar bodies will generally degrade after oogenesis. The polar bodies don't have enough resources (cytoplasm) to make it all the way to a mature oocyte.
ewer
The smaller of the two products of the first division in meiosis, which later degenerates
Glaisers