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.
In 459 BC Athens took advantage between the Megara and Corinth war siding with Megara. This helped them gain a foothold on the Isthmus of Corinth. This resulted in a war, known as the 'The First Peloponnesian War' fought between Athens and Sparta, Corinth, Aegean and other states. At the end of the war, however, Athens backed out from Greek mainland, due to an enormous attack by the Spartans. A thirty years treaty was signed between Athens and Sparta in 446 BC.