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About this book
Presents a review of the structure, functions, and intercellular communication of testis in different groups of animals.
Part 1 General considerations of accessory somatic (or sertoli) cells and spermatogenesis. Part 2 Structural organization of testis and patterns of spermatogenesis: porifera, cnidaria and ctenophora; mesozoa, platyhelminthes, nemertina, gnathostomulida, gastrotricha, kinorhyncha, nematoda, rotifera, acanthocephala, priapulida, polyzoa, phoronida, echiura, annelida, chaetognatha, pogonophora and tardigrada; arthropoda and onychophora; mollusca; echinodermata and hemichordata; urochorda and cephalochordata; vertebrata. Part 3 Comparative structure, chemistry and functions of accessory somatic (or sertoli) cells: comparative structural and chemical characteristics; comparative functional characteristics. Part 4 Intercellular communication: interactions (or communication) among somatic cells and germ cells; general conclusions and future perspectives.