... streak, the equivalent of the lateral blastoporal lips of the amphibian embryo, is the site of invagination of paraxial and lateral mesoderm. Floor plate Notochord Microsurgery Quail-chick labeling Apoptosis HNF-3 β/ Ch-Tbx6L interface Gastrulation Neurulation Neurenteric canal ©...

... shield region ( Shih and Fraser 1995 ), they demonstrate that microsurgery alone does not alter the prospective cell-fate composition of the embryonic shield. Moreover, they show that cell movements in the shield region seem unaltered by microsurgery, as the labeled progeny were dispersed by normal...

.... E. and Cohen , J. ( 1989 ). Blastocyst formation and hatching in vitro following zona drilling of mouse and human embryos . Gamete Res. 24 , 67 – 80 . McGrath , J. and Solter , D. ( 1983 ). Nuclear transplantation in the mouse embryo by microsurgery and cell fusion...

... germ cells postimplantation mouse embryo chimaera microsurgery culture The mammalian germ cell lineage has long been a topic of interest for developmental biologists (reviews: Mintz, 1960 ; Heath, 1978 ; Eddy, Clark, Gong & Fenderson, 1981 ; Eddy & Hahnel, 1983 ; McLaren, 1981...

... by Company of Biologists 1985 immunosurgery microsurgery endoderm regeneration primitive ectoderm primitive endoderm mouse blastocyst By the onset of implantation the inner cell mass (ICM) of the mouse blastocyst is clearly composed of two tissues, the primitive ectoderm...