page_title: Truncus arteriosus
hierarchical_section_title: Truncus arteriosus
context_page_description: The truncus arteriosus is a structure that is present during embryonic development. It is an arterial trunk that originates from both ventricles of the heart that later divides into the aorta and the pulmonary trunk.
context_section_description: The truncus arteriosus is a structure that is present during embryonic development. It is an arterial trunk that originates from both ventricles of the heart that later divides into the aorta and the pulmonary trunk.
caption: Heart of human embryo of about twenty-four days. (Truncus arteriosis visible at top.)
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