The Sperm Cell

1 : Evaluation and control of the fertilizing power of sperm.- Evaluation and control of the fertilizing power of sperm. (invited paper).- Spermatid differentiation in man during senescence.- Sperm structure and function in 70 year old humans.- In vitro studies of the fertilizing ability of the sperm from adolescent, adult and aged male Syrian hamsters.- Apparent improvement in human semen after long-term storage.- Selection among spermatozoa.- Transport of spermatozoa of known age in the female genital tracts of the rabbit and mouse, and their performance in vitro.- The fecundity of sperm populations in female rabbits : does sperm selection exist?.- The capacitation rate of rat sperm in vitro.- Interaction of zona-free hamster eggs with fresh and frozen ram spermatozoa in vitro.- Glycolytic activity of human spermatozoa from normal and infertile semen.- Respiratory stimulation of sea urchin spermatozoa in a synthetic jelly peptide and the fragments.- The effect of different substrate combinations on the survival of ram cauda epididymal spermatozoa exposed to 1 mM-RS ?-Chlorohydrin.- 2 : Surface properties of sperm cells.- The behavior of sperm before fertilization, (invited paper).- Oocyte structure and the design and function of the sperm head in eutherian mammals. (invited paper).- Role of the cumulus in zona penetration.- Freeze-fracture observations on the interaction of human spermatozoa with zona-free hamster oocytes.- Influence of initiation of forward motility on the fertilizing ability of immature boar spermatozoa in in vivo homologous and in vitro heterologous systems of insemination.- Acquisition of zona binding structures by ram spermatozoa during epididymal passage.- Is sperm ?-L-Fucosidase responsible for sperm-egg binding in Ciona intestinalis?.- Sperm/zona pellucida reactions leading to fertilization of mouse eggs in vitro.- A freeze-fracture study on epididymal and ejaculated spermatozoa of Macaca fascicularis.- Surface observations on some mammalian spermatozoa after rapid-freezing and deep-etching.- A localized surface antigen of guinea pig sperm is precipitated by monoclonal antibodies to an apparently "internal", heat-stable component.- Establishment of sperm surface topography during development analyzed with monoclonal antibodies.- Sperm maturation antigens.- Distribution of fibronectin on cellular surface during the rabbit spermiogenesis.- Interaction of guinea-pig spermatozoa with immunoglobulins : evidence of Fc?-specific membrane receptors on spermatozoa.- Identification and localization of two boar sperm-membrane proteins.- Antigenic determinants on the sperm cell surface.- Relationship between Y-chromosome and H-Y antigen expression in human spermatozoa.- Surface changes in monkey spermatozoa during epididymal maturation and after ejaculation.- E.M. localization of sugars having affinity for lectins on the ram spermatozoa.- The joint spermatozoa of Dytiscidae.- The fate of secreted glycoproteins in the mammalian epididymis analysed by electron microscopic autoradiography.- Epididymal protein secretion.- 3 : Nucleus.- Some aspects of chromatin organization in sperm nuclei. (invited paper).- Nuclear proteins in spermatozoa and their interactions with DNA. (invited paper).- Structural elements of the mammalian sperm nucleus.- Transformation and stabilization of chromatin in ram spermatids.- Chromatin aggregation of human sperm.- Presumed impairment of the X inactivation during meiotic prophase : a common phenomenon causing spermatogenic breakdown in various cytogenetic conditions.- Chromatin decondensation ability of the human spermatozoon.- Microtubules and spermiogenesis.- Are microtubules indispensable for sperm morphogenesis ? A comparative structural study.- Aniline blue staining of human spermatozoon chromatin. Evaluation of nuclear maturation.- Cytoplasmic control of the transformation of sperm nucleus into male pronucleus in the mouse : an experimental approach.- 4 : Acrosome.- The acrosome, its hydrolases, and egg penetration. (invited paper),.- Induction of acrosome reaction in Ciona intestinalis.- Freeze-fracture observations on the ionophore-induced acrosomal reaction in ram spermatozoa.- Acrosomal activation of mammalian sperm.- Ultrastructural localization of proacrosin and acrosin during the acrosome reaction in ram spermatozoa.- 5 : Sperm motility.- Control mechanisms in sperm flagella. (invited paper).- Sperm motility : mechanisms and control. (invited paper).- A study of the motility of Limulus polyphemus spermatozoa using quasielastic light scattering and cinematography.- Studies on sperm motility by laser-light scattering.- Human sperm velocities, evaluation by microcinematography and laser doppler velocimetry (LDV).- Laser light scattering study of spermatozoa motility of domestic animals.- Computer quantitation of irradiated hamster sperm motility.- The evolution of mammalian sperm motility in the male and female reproductive tracts.- Movement characteristics of hamster spermatozoa.- Do capacitated human spermatozoa show an "activated" pattern of motility?.- Direction of rolling in mammalian spermatozoa.- Observation of the tailwaves of mouse spermatozoa.- Influence of flagellar wave development on human sperm movement in seminal plasma.- Initiation of sperm flagellar movement using rat demembranated sperm model : nucleotide specificities.- Direct evidence that cyclic AMP is an indispensable factor for initiation of sperm motility in salmonid fishes.- Protein-carboxyl methylation in spermatozoa.- Loss of activity of motile components in rat spermatids during differentiation to virtually immotile testicular spermatozoa.- The movement of distal ends of sperm flagella with and without a terminal filament.- 6 : Sperm structure in relation to function and phylogeny..- Sperm structure in relation to function and phylogeny. (invited paper).- Sperm size, body mass and reproduction in mammals.- The neck region of mouse spermatids : a morphological and functional analysis.- Study of spermatozoa in lemur hybrids (Prosimians - Primates).- Comparative histo-enzymatic study of spermatozoa in monkey and mouse.- Acrosome development during spermiogenesis and epididymal sperm maturation in Australian marsupials.- Evolution of the mammalian epididymis.- Synthesis of mitochondrial proteins from mouse epididymal spermatozoa during spermatogenesis.- Some aspects of spermatogenesis and spermatology in teleost fish.- Nucleus and acrosome of tick sperm : position and structure (with comparisons between ixodid and argasid ticks).- The giant acrosome of Geogarypus (Arachnida, Pseudoscorpiones) and phylogenetic considerations.- A comparative study on the spermatogenesis of Trichoptera and Lepidoptera.- Spermatozoa and Diptera phylogeny.- Two different lines in Tubifex tubifex spermiogenesis.- Trends in the evolution of flatworm spermatozoa.- A new look at Monogenea and Digenea spermatozoa.- The reverse movement of a snail spermatozoon.- Authors' index.