The intercostal artery refers to the set of blood vessels that direct blood flow to an area within the ribs known as the intercostal space. The intercostal artery is divided into three groups of smaller blood vessels. Two of the groups originate from the front, and the other group is found near the back.Click to see full answer. Likewise, people ask, where are the intercostal arteries located?The first and second anterior intercostal arteries are found in the endothoracic fascia, traveling between the internal intercostal muscles and parietal pleura. The third to sixth anterior intercostal arteries are separated from the parietal pleura by the fibers of the transverse thoracic muscle.Also, how many intercostal arteries are there? There are eleven posterior intercostal arteries on each side. The 1st and 2nd posterior intercostal arteries arise from the supreme intercostal artery, a branch of the costocervical trunk of the subclavian artery. Hereof, where is the intercostal nerve artery and vein located? Each intercostal nerve runs in a groove in the inferior aspect of the rib along with the intercostal artery and vein. The interpleural space is located between the parietal and the visceral pleura, which are delicate serous membranes that cover the surface of the lungs and the inner surface of the chest wall.Where do intercostal nerves run?The intercostal nerves supply innervation to the skin and musculature of the chest and abdominal walls. Although the nerves are traditionally believed to travel in the groove at the inferior aspect of the rib along with the intercostal arteries and veins, the nerves can also lie in between the ribs.