part of
part_of
part of
develops_from
develops from
develops from
extraembryonic structure
blood island
mesenchyme of yolk sac
yolk sac blood island
EMAPA:16115
Masses of developing blood cells attached to endothelium in the yolk sac.
uberon
visceral yolk sac blood island
EHDAA2:0000177
yolk sac blood islands
UBERON:0011919