A specific region of the lateral mesoderm that will form the primary beating heart tube. In mammals the primary heart field gives rise to the left ventricle. [ http://amigo.geneontology.org/amigo/term/GO:0003138 ]
Synonyms: primary heart field first heart field
Term information
- XAO:0004185
this term denotes the primary heart field; GO:0003128 denotes the superclass of primary and secondary: specific region of the lateral mesoderm into the area which will form the primary beating heart tube[GO:0003138]