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Chapter 2 Biological Features and Physical Concepts of Pattern Formation Exemplified by Hydra
Chapter 3 Molecular Aspects of Myogenesis
Chapter 4 Origin and Establishment of Embryonic Polar Axes in Amphibian Development
The Gray Crescent of Amphibian Eggs
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26 S RNA Acad ACh-R acidiﬁcation actin activity agglutination amphibian eggs animal moiety animal pole auxin bilateral symmetry binding biochemical Biol blastula Bluemink Brachet cell surface cell wall cleavage Cleland coleoptile concentration cortex cortical layer cultures cytoplasm deﬁnitive differentiation dorsal dorsoventral polarization effect embryo endoderm Entwicklungsmech enzyme experiments factors Fambrough fertilized eggs ﬁeld ﬁrst ﬂuorescence gastric column gastrula germinal vesicle Gierer gradient gray crescent head Heywood hydra induced inﬂuence inhibitors initial interaction lateral inhibition lectin Lovtrup mechanisms mesoderm micromeres molecular morphogenesis mRNA muscle cells myoblasts myosin myotubes Natl Nature London nematocytes Nieuwkoop oocyte Pasteels pattern formation pigment poly(A polysomes prepattern Proc protein synthesis proton puriﬁed Rayle regeneration sections speciﬁc sperm stage stem cells structures studies substance tion tissue unfertilized vegetal pole ventral vitro wall loosening Wilhelm Roux Xenopus eggs yolk mass yolk platelets Zool