The cordlike masses of splanchnic mesenchymal cells ventral to the primordial pericardial coelom that arrange themselves side by side to form the primordia of the endocardial heart tubes. [ MP:0012500 ]
Synonyms: angiogenic cell cluster
Term information
- UMLS:C1515990
- NCIT:C34106
resolve placement within heart development hierarchy; potentially merge with existing classes
day 18 [CS08] in human[https://embryology.med.unsw.edu.au/embryology/index.php/Intermediate_-_Primordial_Heart_Tube]