bulboventricular loop

bul·bo·ven·tric·u·lar loop

the portion of the U-shaped embryonic cardiac tube that evolves into the ventricle and bulbus cordis.
Synonym(s): ventricular loop
References in periodicals archive ?
This research shows that while the two ends of the heart tube remain stable, rapid growth of the middle section results in the development of a large S-shaped curve called the bulboventricular loop (see Figure 2).
The Embryology of Congenital Heart Defects
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