endoblast n 1: the inner germ layer that develops into the lining of the digestive and respiratory systems [syn: {endoderm}, {entoderm}, {endoblast}, {entoblast}, {hypoblast}]
Endoblast \En"do*blast\, n. [Endo- + -blast.] (Biol.) Entoblast; endoplast. See {Nucleus}, [1913 Webster]