| Name: | bulbus arteriosus | 
|---|---|
| Synonyms: | cardiac outflow tract, outflow tract, truncus | 
| Definition: | Multi-tissue structure that consists of three layers and through which the blood exits the heart. The bulbus arteriosus is a pear shaped chamber that functions as a capacitor, maintaining continuous blood flow into the gill arches. | 
| Ontology: | Anatomy Ontology [ZFA:0000173] | 
| Name: | lymphangiogenic sprout | 
|---|---|
| Synonyms: | |
| Definition: | Portion of vessel wall that extends to form a new lymph vessel. | 
| Ontology: | Anatomy Ontology [ZFA:0005603] |