A transient fetal dilation of the distal (or cranial) heart tube located where the arterial trunk joins the ventral roots of the aortic arches. [ MP:0010568 https://www.worldcat.org/search?q=bn%3A0-683-40008-8 ]
Synonyms: primitive right ventricle endocardium
Term information
- EMAPA:16333
- EHDAA:768
- FMA:70300
- Wikipedia:Bulbus_cordis
- EHDAA:438
- EHDAA2:0000197
- NCIT:C34114
- UMLS:C1284055 (ncithesaurus:Bulbus_Cordis)
- SCTID:361525002
pheno_slim, vertebrate_core
A pear shaped chamber that functions as a capacitor, maintaining continuous blood flow into the gill arches. The bulbus arteriosus has three distinct layers. Hu et al. 2000.[TAO]