truncus

truncus /trun·cus/ (-kus) pl. trun´ci   [L.] trunk.

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truncus arterio´sus  an arterial trunk, especially the artery connected with the embryonic heart, which gives off the aortic arches and develops into the aortic and pulmonary arteries.

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truncus

[trung′kəs]

Etymology: L, trunk

the main stem of an anatomic part from which branches may arise, such as the sympathetic nerve chain or jugular lymph trunk.

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truncus [trung´kus] (L.)

trunk.

truncus arterio´sus an artery connected with the fetal heart, developing into the aortic and pulmonary arches.

truncus brachiocepha´licus a vessel arising from the aortic arch and giving origin to the right common carotid and right subclavian arteries. Called also innominate artery (see anatomic Table of Arteries in the Appendices).

truncus celi´acus celiac trunk.

truncus encepha´licus brainstem.

truncus pulmona´lis pulmonary trunk.

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truncus

pl. trunci [L.] trunk; individual trunci are listed as trunks in Table 9 (arteries) and Table 14 (nerves).

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truncus arteriosus

an artery connected with the fetal heart, developing into the aortic and pulmonary arches. The trunk may persist into extrauterine life. The single arterial trunk from the heart supplies blood to both aortic and pulmonary circuits.

truncus brachiocephalicus

a vessel arising from the arch of the aorta and giving origin to one or both of the common carotid and one or both right subclavian arteries.

truncus celiacus

celiac trunk.

truncus pulmonalis

pulmonary trunk.