Titlebook: Organization of the Early Vertebrate Embryo; Nikolas Zagris,Anne Marie Duprat,Antony Durston Book 1995 Springer Science+Business Media New

Fissure

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https://doi.org/10.1007/978-1-4899-1618-1Embryo; Gastrulation; Imprinting; Mesoderm; Termination; Vertebrate; Xenopus laevis; gene expression; genes;

thalamus

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Primordial Germ Cells in Mammals,germ cell lineage, or germline, provides the only biological link, the only route of genetic transmission, from one generation to the next. Unlike somatic cell lineages, the germline is potentially immortal. For reproduction, for heredity, for development and for evolution, germ cells are of fundamental importance.

mucous-membrane

f Spetsai, Greece, in September 1994. The institute considered the molecular mechanisms which generate the body plan during vertebrate embryogenesis. The main topics discussed included: commitment and imprinting during germ cell differentiation; hierarchies of inductive cell interactions; the molecu

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Book 1995 Greece, in September 1994. The institute considered the molecular mechanisms which generate the body plan during vertebrate embryogenesis. The main topics discussed included: commitment and imprinting during germ cell differentiation; hierarchies of inductive cell interactions; the molecular functi

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Mapping of Gastrulation Movements in Birds,y a demonstration of the procedure for preparing the germs. This procedure is derived from that of New (1955). Its main characteristic is that it allows normal development in vitro for a 24 hour period in laid blastoderms that are cultivated with their ventral side up, towards the observer.

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,Hensen’s Node: The Amniote Equivalent of Spemann’s Organizer,lip is now widely referred to as “Spemann’s organizer”. In the early 1930’s, C.H. Waddington demonstrated that amniote embryos (ducks, chicks and rabbits) could also be made to generate a second nervous system by transplanting the tip of the primitive streak, a region known as Hensen’s node (Waddington, 1932; 1933).