Experimental investigations on the origin and determination of the germ cells, and on the development of the lateral plates and germ ridges in Urodeles
PD Nieuwkoop - Archives Néerlandaises de Zoologie, 1951 - brill.com
I) The morphological literature concerning the origin of the germ cells in the Vertebrates can
be grouped as follows: a) The germ cells have a purely entodermal origin in early …
be grouped as follows: a) The germ cells have a purely entodermal origin in early …
The “organization center” of the amphibian embryo: its origin, spatial organization, and morphogenetic action
PD Nieuwkoop - Advances in morphogenesis, 1973 - Elsevier
Publisher Summary This chapter discusses the origin, organization, and morphogenetic
action of the amphibian embryo. The amphibian gastrula is dynamically determined in its …
action of the amphibian embryo. The amphibian gastrula is dynamically determined in its …
Origin and establishment of embryonic polar axes in amphibian development
PD Nieuwkoop - Current topics in developmental biology, 1977 - Elsevier
Publisher Summary In the growing oocyte or the mature egg, cephalocaudal and
dorsoventral polarities cannot yet be distinguished. Usually only a single primary, animal-vegetative …
dorsoventral polarities cannot yet be distinguished. Usually only a single primary, animal-vegetative …
Retinoic acid causes an anteroposterior transformation in the developing central nervous system
AJ Durston, JPM Timmermans, WJ Hage, HFJ Hendriks… - Nature, 1989 - nature.com
ALL-trans retinoic acid (RA) is well known as a biologically active form of vitamin A and a
teratogen 1-8 . The identification of nuclear receptors for this ligand 9-11 suggests strongly that …
teratogen 1-8 . The identification of nuclear receptors for this ligand 9-11 suggests strongly that …
Inductive interactions in early amphibian development and their general nature
PD Nieuwkoop - Development, 1985 - journals.biologists.com
After a short discussion on cell interactions in general and inductive interactions in particular,
the almost completely epigenetic nature of amphibian development is emphasized. In the …
the almost completely epigenetic nature of amphibian development is emphasized. In the …
Normal table of Xenopus laevis (Daudin). A systematical and chronological survey of the development from the fertilized egg till the end of metamorphosis.
PD Nieuwkoop, J Faber - 1956 - cabidigitallibrary.org
The contributors to this book were a team of about 20 scientists of various nationalities. The
development of X. laevis is set out in a continuous, readable form, the different body systems …
development of X. laevis is set out in a continuous, readable form, the different body systems …
[BOEK][B] Primordial germ cells in the chordates: embryogenesis and phylogenesis
PD Nieuwkoop, LA Sutasurya - 1979 - books.google.com
Among the various cell types in the embryo, the primordial germ cells (PGCs) represent a
very special type, destined to become exclusively the future sex cells. This book is an account …
very special type, destined to become exclusively the future sex cells. This book is an account …
The formation of the mesoderm in urodelean amphibians: I. Induction by the endoderm
PD Nieuwkoop - Wilhelm Roux'Archiv für Entwicklungsmechanik der …, 1969 - Springer
The blastula [stage 8 + to 8/9 (Harrison)] ofAmbystoma mexicanum was subdivided into four
successive animal-vegetative zones and the relative amounts of cellular material present in …
successive animal-vegetative zones and the relative amounts of cellular material present in …
[BOEK][B] Normal table of Xenopus Laevis (Daudin): a systematical & chronological survey of the development from the fertilized egg till the end of metamorphosis
J Faber, PD Nieuwkoop - 2020 - books.google.com
Page 1 NORMAL TABLE OF XENOPUS LAEVIS (DAUDIN) Page 2 NORMAL TABLE OF
XENOPUS LAEVIS (DAUDIN) A SYSTEMATICAL AND CHRONOLOGICAL SURVEY OF THE …
XENOPUS LAEVIS (DAUDIN) A SYSTEMATICAL AND CHRONOLOGICAL SURVEY OF THE …
Neural activation and transformation in explants of competent ectoderm under the influence of fragments of anterior notochord in urodeles
PD Nieuwkoop, GV Nigtevecht - Development, 1954 - journals.biologists.com
The inductive influence of presumptive notochordal tissue (neurula stage) upon competent
ectoderm was tested in sandwich-experiments, for which eggs of Triturus alpestris, T. …
ectoderm was tested in sandwich-experiments, for which eggs of Triturus alpestris, T. …
