Thorax — Flashcards

The upper border of the heart made by the _____, ascending aorta, and the pulmonary trunk.

_____ intercostal arteries for the first 6 intercostal spaces are given off by internal thoracic artery

The sinoatrial node is located at the junction of the _____ opening to the right atrium

The breast is innervated by _____ and lateral branches of the 4th to 6th intercostal nerves.

The collateral branch of typical intercostal nerve is motor to muscles and sensory to _____ and periosteum

The posterior mediastinum is bound posteriorly by _____ to T12 vertebrae

Lower _____ ribs are called false ribs of which 11th and 12th are also called floating ribs

The intercostal nerves lie between the _____ intercostal and innermost intercostal muscle.

The sympathetic innervation of the heart is by _____-T5.

_____ intercostal arteries for the first 11 intercostal spaces are given by superior intercostal artery and descending thoracic aorta