In medicine, ablation is the same as removal of a part of biological tissue, usually by surgery. Surface ablation of the skin (dermabrasion, also called resurfacing because it induces regeneration) can be carried out by chemicals (chemoablation), by lasers (laser ablation), or by electricity (fulguration).
The struggle for supremacy in Greece that had begun eighty years earlier with the outbreak of the Peloponnesian War had finally ended in a stalemate of exhaustion that opened the way for a new powerâ the kingdom of Macedonia. The Annenberg CPB/Project provided support for entering this text.
The next action in the war was the siege of Plataea between c. 429-427 BCE which had elements of both siege strategies. First the Peloponnesian forces used more aggressive tactics by blockading the town with a wooden palisade and building an earth ramp to compromise the walls.