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1 Introduction 1. 1 Wnts and Development The f amily of Wnt genes consists of at least 19 members in vertebrates. Wnts ha v e multiple roles during normal development and aetiology …
Neuregulins are EGF-like growth and differentiation factors that interact with tyrosine kinase receptors of the ErbB family. this signailing system has a wide range of functions …
The visual system of insects has attracted histologists for a long time. We have detailed histological studies of the visual systems of Diptera, Hymenoptera and Odonata dating from …
Axonal growth is now commonly recognized as one of the basic mechanisms underlying neuronal plasticity and reorganization in the adult mammalian CNS, not least in response to …
The placenta of the guinea-pig has assumed exceptional importance among the discoidal hemochorial placentae since the end of the sixties. Up to that date, numerous studies had been …
Cytological techniques have greatly improved in the last twenty years, largely as a result of further development of the microscope. Electron microscopy, in particular, has opened …
An ontogenetic study of the central nervous system is an important tool for the under- standing of its morphological and morpho-functional relations. Numerous qualitative results …
The establishment of the morphologically and physiologically intimate contact be tween two genetically different individuals, mother and embryo, which takes place during …
The present review covers a very neglected field in regeneration studies, namely, tissue and organ regeneration in reptiles, especially represented by the lizard model of …
The primates represent a diverse group with the phylogenetic relationships of the var- ious species reflected in their early embryonic development. The members of the Tupaiidae, …