The axon, or thin part of a nerve cell that branches off from the cell body, can be insulated with: *
Complex proteins
Blood plasma
Skeletal muscle
A fatty myelin sheath

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."