An epithelial tube that will give rise to the mature heart. [ http://amigo.geneontology.org/amigo/term/GO:0003143 ]
Synonyms: embryonic heart tube endocardial tube endocardial heart tube
efo_slim, pheno_slim, vertebrate_core
the paired, longitudinal, endothelial-lined channels formed from the cardiogenic mesoderm in embryonic development; angiogenic cell clusters (aka angioblastic cords) located in a horse-shoe shape configuration in the cardiogenic plate coalesce to form the right and left endocardial heart tubes which then fuse in cephalo-caudal direction to form a single primitive heart tube.
- embryonic tissue
- epithelial tube
- immediate transformation of some primitive heart tube
- develops_from some primitive heart tube