Easy Anatomy - เฆธเฆนเฆ เฆเฆจเฆพเฆเฆฎเฆฟ - ๐ง ๐๐น๐ถ๐ป๐ถ๐ฐ๐ฎ๐น ๐๐ป๐ฎ๐๐ผ๐บ๐ ๐ผ๐ณ ๐๐ต๐ฒ ๐๐ฎ๐ ๐ ๐ฉบ๐๐จ๐๐ซ๐๐ญ๐๐ญ๐ข๐จ๐ง ๐จ๐ ๐๐จ๐ซ๐ญ๐ In coarctation or narrowing of the aorta, the posterior intercostal arteries get enlarged greatly to provide