Truncus arteriosus
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.
| Truncus arteriosus | |
|---|---|
Heart of human embryo of about twenty-four days. (Truncus arteriosus visible at top.) | |
Diagrams to illustrate the transformation of the bulbus cordis. Ao. Truncus arteriosus. Au. Atrium. B. Bulbus cordis. RV. Right ventricle. LV. Left ventricle. P. Pulmonary artery. | |
| Details | |
| Precursor | Cardiogenic area |
| Gives rise to | aorta, pulmonary artery |
| System | Cardiovascular system |
| Identifiers | |
| MeSH | D014338 |
| TE | arteriosus_by_E5.11.1.8.1.0.4 E5.11.1.8.1.0.4 |
| FMA | 70301 |
| Anatomical terminology | |
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