Masses of developing blood cells attached to endothelium in the yolk sac. [ MP:0011204 ]
Synonyms: yolk sac blood islands visceral yolk sac blood island
This is just here as a test because I lose it
Term information
Term relations
Subclass of:
- extraembryonic structure
- blood island
- part of some mesenchyme of yolk sac
- develops from some mesenchyme of yolk sac