Anterior thoracic artery in 8 intercostal space is formed by

anterior thoracic artery in 8 intercostal space is formed by

a muscular phrenic artery

b intrnal thoracic artery

c superior epigastric artery

d descnding aorta.

Musculo phrenic artery and superior epigastric artey are branches of internal thorasic artey.musculaphrenic artey gives anterior intercostal arteries in 8th ics.

Upto 7 spaces it’s from internal thoracic artery and 8,9,10 it from musculo phrenic. ( Internal thoracic terminally divide into musculo phrenic and superior epigastric)