Spermiogenesis

Spermiogenesis

1st Edition - January 1, 1974

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  • Author: David Phillips
  • eBook ISBN: 9780323161190

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Description

Spermiogenesis summarizes the process of sperm structure and development in a variety of organisms. It attempts to illustrate the structure of the organelles that characterize mature spermatozoa and to trace the morphogenesis of these organelles during sperm formation. This task is complicated by considerable variations in the structure of spermatozoa among different species and the lack of good morphological studies of sperm structure and spermiogenesis in many animal groups. The general morphological features of mammalian sperm structure differ in some ways from the features of insect sperm, the spermatozoa produced by insects appearing relatively more simple. When the functions and developmental regions of the organelles are considered, homologies between complex structures found in mammalian sperm and simpler insect sperm structures may be deduced even though the organelles in question are quite dissimilar in appearance. Such homologies will be stressed in an effort to present as general a picture of spermiogenesis as seems consistent with the species-specific variations that exist. This book will be a useful, stimulating reference for students of reproductive biology.

Table of Contents


  • Series Preface

    Preface

    Introduction

    The Seminiferous Tubule

    The Cyst

    Intercellular Bridges

    The Acrosome

    Acrosome Synthesis

    Acrosome Shaping

    The Nucleus

    The Longitudinal Manchette

    The Circular Manchette

    Flagellar Growth

    The Neck Region of Mature Spermatozoa

    Development of the Neck Region

    Midpiece

    The Principal Piece

    The Insect Flagellum

    Multiple Flagella

    Exceptional Flagella

    Microtubular Motile Apparatus

    Mitochondrial Cristae

    Mitochondrial Distribution

    Mitochondrial Inclusions

    The Nebenkern

    The Annulus

    Movement of the Annulus

    Cytoplasmic Sloughing

    The Protoplasmic Droplet

    The Sperm Surface

    Exceptional Spermatozoa

    References

    Index






Product details

  • No. of pages: 72
  • Language: English
  • Copyright: © Academic Press 1974
  • Published: January 1, 1974
  • Imprint: Academic Press
  • eBook ISBN: 9780323161190

About the Author

David Phillips

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