- endodermal sinus tumor,
Origin of endoderm
Examples from the Web for endoderm
Endoderm, the tissue in an adult, derived from the hypoblast (which see), 19.The Biological Problem of To-day|Oscar Hertwig
Ahlborn, in 1884, drew a sharp distinction between the segments of the mesoderm and those of the endoderm.The Origin of Vertebrates|Walter Holbrook Gaskell
These are three in number, being called respectively the ectoderm, endoderm and The layer theory.
Between the Ectoderm and Endoderm lies an intermediate layer the Mesoderm.Stories of the Universe: Animal Life|B. Lindsay
In the Calcutta phase of H. vulgaris colour is due entirely to amorphous particles situated mainly in the cells of the endoderm.Freshwater Sponges, Hydroids & Polyzoa|Nelson Annandale