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Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
blastocele development trait 
branchial arch development trait 
developmental patterning trait +  
embryo hatching trait 
embryo implantation trait 
embryo size trait 
embryonic cell/tissue morphology trait +  
embryonic growth trait 
embryonic hematopoiesis trait +  
Any measurable or observable characteristic related to the function of or processes in the development of primarily large, nucleated erythroblasts as well as some megakaryocytes and primitive macrophages occurring in blood islands in the yolk sac, generally occurs from E7-E11 in the mouse and through 10 weeks in humans.
embryonic-extraembryonic boundary morphology trait 
extraembryonic tissue morphology trait +   
extraembryonic tissue physiology trait +  
hematopoiesis trait +   
placenta development trait +  
rostral-caudal body axis extension trait 

Synonyms
Exact Synonyms: primitive hematopoiesis
Definition Sources: MP:0003396

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