- truncus
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- t. arteriosus the common arterial trunk opening out of both ventricles in early fetal life, later destined to be divided into aorta and pulmonary artery by development of the spiral septum.- t. arteriosus communis t. arteriosus.- t. brachiocephalicus [TA] SYN: brachiocephalic (arterial) trunk.- t. corporis callosi [TA] SYN: trunk of corpus callosum.- t. costocervicalis [TA] SYN: costocervical (arterial) trunk.- t. encephali [TA] SYN: brainstem.- t. fascicularis atrioventricularis SYN: atrioventricular bundle. SEE ALSO: conducting system of heart.- t. linguofacialis [TA] SYN: linguofacial (arterial) trunk.- t. lumbosacralis [TA] SYN: lumbosacral (nerve) trunk.- trunci (lymphatici) intestinales [TA] SYN: intestinal (lymphatic) trunks, under trunk.- t. (lymphaticus) bronchiomediastinalis [TA] SYN: bronchomediastinal (lymphatic) trunk.- persistent t. arteriosus a congenital cardiovascular anomaly resulting from failure of development of the spiral septum and consisting of a common arterial trunk opening out of both ventricles, the pulmonary arteries being given off from the ascending common trunk.- t. pulmonalis [TA] SYN: pulmonary trunk.- t. sympathicus [TA] SYN: sympathetic trunk.- t. thyrocervicalis [TA] SYN: thyrocervical (arterial) trunk.
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n.a trunk: a main vessel or other tubular organ from which subsidiary branches arise.* * *
trun·cus (trungґkəs) pl. trunґci [L. “trunkâ€] trunk: 1. [TA] the main part of the body, to which the head and limbs are attached; called also torso. 2. anatomical nomenclature for a major, undivided, usually short portion of a nerve, blood vessel, lymphatic vessel, or duct.
Medical dictionary. 2011.