Bulbus arteriosus

In the circulatory system of fish, the bulbus arteriosus is a pear shaped chamber that functions as a capacitor, maintaining continuous blood flow into the gill arches. In the circulatory system of fish, the bulbus arteriosus is a pear shaped chamber that functions as a capacitor, maintaining continuous blood flow into the gill arches. 1. 'ZFIN: Anatomical Structure: Bulbus Arteriosus.' ZFIN: The Zebrafish Model Organism Database. Web. 8 May 2011. <http://zfin.org/action/anatomy/term-detail?anatomyItem.zdbID=ZDB-ANAT-011113-107>.