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The upper five or six anterior intercostal arteries are branches of the internal thoracic artery (anterior intercostal branches of internal thoracic artery).The internal thoracic artery then divides into its two terminal branches, one of which - the musculophrenic artery - proceeds to issue anterior intercostal arteries to the remaining 6th, 7th, and 9th intercostal spaces; these diminish in ...
The lower branch of the space anastomoses with a collateral branch of the posterior intercostal artery. After passing the sixth intercostal space, the internal thoracic artery splits into the following two terminal branches: Musculophrenic artery – roughly follows the costal margin and it again gives branch for 7,8,9 ribs; Superior epigastric ...
The posterior intercostal veins are veins that drain the intercostal spaces posteriorly. They run with their corresponding posterior intercostal artery on the underside of the rib, the vein superior to the artery. Each vein also gives off a dorsal branch that drains blood from the muscles of the back.
It typically arises from a 9th to 12th left posterior intercostal artery, [5] enters through the L2-L3 intervertebral foramen to join the anterior spinal artery and supply much of the inferior half of the spinal cord. [6] The artery is named after pathologist Albert Wojciech Adamkiewicz.
This branch is not constant, but is more commonly found on the right side; when absent, its place is supplied by an intercostal branch from the aorta. Each intercostal gives off a posterior branch which goes to the posterior vertebral muscles, and sends a small spinal branch through the corresponding intervertebral foramen to the medulla ...
Segmental medullary arteries are arteries of varying size in the thoracolumbar region that arise from segmental arteries of this region (posterior intercostal arteries or lumbar arteries) and pass through intervertebral foramina to supply the spinal cord. [1] They may join the anterior spinal artery. [2]
The aorta then arches back over the right pulmonary artery. Three vessels come out of the aortic arch: the brachiocephalic artery, the left common carotid artery, and the left subclavian artery. These vessels supply blood to the head, neck, thorax and upper limbs. Behind the descending thoracic aorta is the vertebral column and the hemiazygos vein.
posterior tibial artery. fibular artery (sometimes from popliteal artery) communicating branch to the anterior tibial artery; perforating branch to the posterior tibial artery; medial plantar artery; lateral plantar artery; sural artery; medial superior genicular artery. Branch to vastus medialis; Branch to surface of the femur and the knee-joint