part of
part_of
part of
develops_from
develops from
develops from
ends during
starts during
heart primordium
cardiovascular system
heart primordium
XAO:0000336
heart primordium (xenopus)
The fused aspects of ventral mesoderm, which have migrated from either side of the prechordal plate, and fused ventrally, just behind the cement gland. They give rise to the endocardium at NF stage 27/28.
fused heart primordium
xenopus_anatomy
UBERON:0003084
heart
primordium
primary heart field
secondary heart field
NF stage 19
NF stage 31