lecithoblast

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• lecithoblast — One of the cells proliferating to form the yolk sac endoderm. [G. lekithos, egg yolk, + blastos, germ] * * * lec·i·tho·blast (lesґĭ tho blast″) [lecitho + blast] the primordial endoderm of a two layered blastodisc …   Medical dictionary