Term Name: proerythroblast
Synonyms: pronormoblast, rubriblast
Definition: An immature, nucleated erythrocyte occupying the stage of erythropoeisis that follows formation of erythroid progenitor cells. This cell is CD71-positive, has both a nucleus and a nucleolus, and lacks hematopoeitic lineage markers.
Ontology: Cell Ontology [CL:0000547]

Relationships
develops from: erythroid progenitor cell
develops into: basophilic erythroblast erythroblast
is a type of: erythroid lineage cell nucleate cell
has subtype: CD34-negative, GlyA-negative proerythroblast Kit-low proerythroblast
has_part: basophilic cytoplasm increased nucleus size nucleolus nucleus
has_plasma_membrane_part: transferrin receptor protein 1
lacks_plasma_membrane_part: CD2 molecule CD3 epsilon CD4 molecule CD14 molecule CD19 molecule integrin alpha-M lymphocyte antigen 6G membrane-spanning 4-domains subfamily A member 1 neural cell adhesion molecule 1 T-cell surface glycoprotein CD5 T-cell surface glycoprotein CD8 alpha chain