English Dictionary

aortic arch

名詞

(anatomy) The curving portion of the aorta that bends between the ascending aorta and the descending aorta, from which the brachiocephalic artery, left carotid artery, and left subclavian artery arise.

日本語の意味

大動脈弓：大動脈の一部で、上行大動脈と下行大動脈の間に位置する湾曲部分。ここから腕頭動脈、左頸動脈、左鎖骨下動脈が分枝する解剖学的構造。

During the surgery, the surgeon carefully inspected the aortic arch to identify the origins of the brachiocephalic, left carotid, and left subclavian arteries.

手術中、外科医は腕頭動脈、左総頸動脈、左鎖骨下動脈の起始を特定するために大動脈弓を慎重に観察した。

意味（1）

(anatomy) The curving portion of the aorta that bends between the ascending aorta and the descending aorta, from which the brachiocephalic artery, left carotid artery, and left subclavian artery arise.

意味（2）

(embryology) One of a series of six paired embryonic vascular structures which connect the ventral arterial system lying anterior to the heart to the dorsal arterial system above the digestive tract, persist in adult fishes but are reduced or much modified in the adult of higher forms, and give rise to the great arteries of the neck and head.

aortic arches （ plural ）