truncus arteriosus

English

Etymology

Borrowed from Latin truncus arteriosus (literally “arterial trunk”).

Noun

truncus arteriosus (plural trunci arteriosi)

  1. (embryology) The single arterial outlet in the embryological heart which later divides into the aorta and the pulmonary trunk.
  2. (pathology) Ellipsis of persistent truncus arteriosus.
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