brachiocephalic trunk


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trunk

 [trungk]
1. the part of the body to which the head and limbs are attached; called also torso.
2. a larger structure, such as a vessel or nerve, from which smaller divisions or branches arise, or that is created by their union. adj., adj trun´cal.
brachiocephalic trunk truncus brachiocephalicus.
celiac trunk the arterial trunk arising from the abdominal aorta and giving origin to the left gastric, common hepatic, and splenic arteries.
encephalic trunk brainstem.
lumbosacral trunk a trunk formed by union of the lower part of ventral branch of the fourth lumbar nerve with the ventral branch of the fifth lumbar nerve.
lymphatic t's the lymphatic vessels (right or left lumbar, intestinal, right or left bronchomediastinal, right or left subclavian, and right or left jugular trunks) that drain lymph from various regions of the body into the right lymphatic or thoracic duct.
pulmonary trunk a vessel arising from the conus arteriosus of the right ventricle and bifurcating into the right and left pulmonary arteries.
sympathetic trunk two long ganglionated nerve strands, one on each side of the vertebral column, extending from the base of the skull to the coccyx.

brachiocephalic trunk

A major branch of the aortic arch which divides into the right subclavian and right common carotid arteries, occasionally giving rise to the thyroid ima artery.

bra·chi·o·ce·phal·ic trunk

(brā'kē-ō-se-fal'ik trŭngk)
Origin, arch of aorta; branches, right subclavian and right common carotid; occasionally it gives off the thyroidea ima.
Synonym(s): truncus brachiocephalicus [TA] .
References in periodicals archive ?
Intraoperative picture showing the brachiocephalic trunk and the main pedicle of the ectopic thyroid tissue arising from it
It was observed that two brachiocephalic trunks branched off from the ascending aorta in the greater flamingos.
The implications of common brachiocephalic trunk on associated congenital cardiovascular defects and their management.
The great vessels in mediastinum include the ascending, the descending, and the arch of aorta, left common carotid artery, left subclavian artery, brachiocephalic trunk, and superior vena cava (SVC).
At this site, all the major and cranial arteries, such as the brachiocephalic trunks, the ascending aorta, the brachial arteries, the carotid arteries, the pulmonary arteries, and the jugular veins, can easily be identified (Figs 10 through 12).
The anomalous origins reported where vertebral artery of aortic arch between the left common carotid (LCC) and left subclavian (LSA), after left subclavian (LSA) artery, from the thyrocervical trunk, from the brachiocephalic trunk (BCT), from the common carotid artery, from the external carotid artery.
When first, it is in the position of the brachiocephalic trunk and when last it arises from arch's left end, ascending obliquely to the right behind the trachea, oesophagus and right common carotid to the first rib.
Normally right subclavian artery arises from brachiocephalic trunk and passes towards the arm.
Microscopically, severe atherosclerotic lesions were found in the ascending aorta, descending aorta, brachiocephalic trunks (Fig 2A), pulmonary arteries, carotid arteries, brachial arteries, coronary arteries (Fig 2B), mesenteric arteries (Fig 2C), and femoral arteries (Fig 2D).