...Contrasting pale and dark areas of the germinal layercorrespond to the pattern of markings on the scute removed... 
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...When growthis resumed in spring, the germinal layer of the epidermis, ratherthan continuing to add to the edge of the existing scute, forms anentirely new layer of epidermis...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...The germinal layer of old turtlesloses the capacity to produce color...
John M. Legler 「Natural History of the Ornate Box Turtle, Terrapene ornata ornata Agassiz」
...What His takes to be a simple physical process—for instance,the folding of the germinal layers (in the formation of the medullary tube,alimentary tube, etc...
Ernst Haeckel 「The Evolution of Man」
...All the best recent research in animal embryology has led to the confirmationand development of Baer and Remak’s theory of the germinal layers...
Ernst Haeckel 「The Evolution of Man」
...He showed that the two layers of cells from whichthe body of this zoophyte is developed correspond, both morphologically andphysiologically, to the two original germinal layers of the vertebrate...
Ernst Haeckel 「The Evolution of Man」
...This germinal vesicle containsa viscous fluid (the caryolymph)...
Ernst Haeckel 「The Evolution of Man」
...But all the otheranimals—all the tissue-forming animals, or metazoa, as we callthem, in contradistinction to the protozoa—construct real germinal layersby the repeated cleavage of the impregnated ovum...
Ernst Haeckel 「The Evolution of Man」
...Twenty years later (1849) Huxley pointed out that in manyof the lower zoophytes, especially the medusæ, the whole body consiststhroughout life of these two primary germinal layers...
Ernst Haeckel 「The Evolution of Man」
...Alsoits outer germinal layer has certain special modifications...
Ernst Haeckel 「The Evolution of Man」
...But these aresecondary additions, and the inner germinal layer is a simple stratum of cells...
Ernst Haeckel 「The Evolution of Man」
...This takes no direct part in the building of the germinal layers,and completely fills the primitive gut-cavity of the gastrula, even protrudingat the mouth-opening...
Ernst Haeckel 「The Evolution of Man」
...” If we make a vertical section through this part, we see that aflat and broad cleft stretches under the germinal disk forwards from theprimitive mouth; this is the primitive gut (Fig...
Ernst Haeckel 「The Evolution of Man」
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