Some articles on definitive endoderm:
... becomes replaced by new cells that eventually constitute the definitive endoderm ... The definitive endoderm is what makes the lining of the gut and other associated gut structures ...
Famous quotes containing the word definitive:
“... But all the feelings that evoke in us the joy or the misfortune of a real person are only produced in us through the intermediary of an image of that joy or that misfortune; the ingeniousness of the first novelist was in understanding that, in the apparatus of our emotions, since the image is the only essential element, the simplification which consists of purely and simply suppressing the factual characters is a definitive improvement.”
—Marcel Proust (18711922)