prohemocyte
From ZooTerms (Dictionary of Invertebrate Zoology)
prohemocyte also prohaemocyte (noun; Greek pro, before; haima, blood; kytos, container): (Arthropoda) A small, round, oval or elliptical hemocyte with a relatively large nucleus and intensely basophilic cytoplasm that divides and gives rise to other types of cells; hemocytoblast; stem cell
See also: urzellen
