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636 results
  1. ... proposal that cancer cells, like trophoblasts, arise from primordial germ cells . Dr. Beard also thought that some of these ... and cancer cells have a common origin in primordial germ cells. Dr. Kelley maintained, furthermore, that cancer was initiated ...
  2. ... childhood and adolescent cancer survivors.) GCTs arise from primordial germ cells, which migrate during embryogenesis from the yolk sac ... Extragonadal. Figure 1. Extracranial germ cell development from primordial germ cells. Credit: Thomas Olson, M.D. Most childhood extragonadal ...
  3. NLM Digital Collections - Original articles 
    Publication: [Washington D.C.] : [Army Institute of Pathology], [1946?]
    ... such tumors represent neoplasms of the so-called primordial germ cells. The cell of origin of embryonal carcinomas and ... resemble spermatogonia. Semi- nomas are probably tumors of primordial germ cells and should be called germinomas. Em- bryonal carcinomas ...
  4. ... 699 N02.360.810.699 Oogonial Stem Cells Primordial germ cells found in embryonic OOGONIA and postnatal OVARIES. Tree ...
  5. ... visceral endoderm is necessary for the generation of primordial germ cells in the mouse embryo. Genes Dev. 2004 Aug ...
  6. NLM Digital Collections - Vertebrate embryology 
    Publication: New York : Henry Holt and Company, [1923]
    ... relatively larger nuclei. These are the primitive or primordial germ cells in which sex differentiation, at least as regards ... cells. The Germ Cells The Origin of the Primordial Germ Cells. — It was originally be- lieved that the primordial ...
  7. ... study in relation to the early localization of primordial germ-cells in the chick embryo. Tohoku Univ. Sc. Rep., ... 11: 265-78, pi.—Humphrey, R. R. The primordial germ cells of Hermi- dactylium and other Amphibia. J. Morph., ...
  8. NLM Digital Collections - A text-book of histology 
    Publication: New York : D. Appleton and Company, 1916
    ... described below. The relation of the extra-regional 'primordial germ-cells' to the germinal epithelium and to sex-gland ... inclines to the view that in man the primordial germ-cells (primitive geni- tal cells) disappear, and that they ...
  9. ... embryos created by in vitro fertilization or from primordial germ cells isolated from the tissue of non-living fetuses. ... embryos created by in vitro fertilization or from primordial germ cells isolated from the tissue of non-living fetuses. ...
  10. NLM Digital Collections - An introduction to entomology 
    Publication: Ithaca, N.Y., The Comstock Publishing Co., 1924
    ... ovarian tube.-In the germarium are found the primordial germ-cells from which the eggs are devel- oped; and ... nized as follows: The germarium.-This includes the primordial germ-cells and the spermatogonia. The zone of growth.-Here ...
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