【名词&注释】
生长激素(growth hormone)、肾上腺皮质激素(adrenal cortical hormone)、甲状腺素(thyroxine)、下丘脑-垂体(hypothalamus-pituitary)
[单选题]经过肺门的结构是
A. coronar artery
B. internal thoracic artery
C. pulmonary artery
D. posterior intercostal arteries
E. thoracic aorta