The Sperm Cell: Fertilizing Power, Surface Properties, Motility, Nucleus and Acrosome, Evolutionary Aspects Proceedings of the Fourth International Symposium on Spermatology, Seillac, France, 27 June–1 July 1982

Front Matter....Pages I-XXVI
Evaluation and Control of the Fertilizing Power of Sperm....Pages 1-14
Spermatid Differentiation in Man During Senescence....Pages 15-18
Sperm Structure and Function in 70 Year Old Humans....Pages 19-24
In Vitro Studies of the Fertilizing Ability of the Sperm from Adolescent, Adult and Aged Male Syrian Hamsters....Pages 25-28
Apparent Improvement in Human Semen After Long-Term Storage....Pages 29-32
Selection Among Spermatozoa....Pages 33-37
Transport of Spermatozoa of Known Age in the Female Genital Tracts of the Rabbit and Mouse, and Their Performance in vitro ....Pages 38-42
The Fecundity of Sperm Populations in Female Rabbits: Does Sperm Selection Exist?....Pages 43-46
The Capacitation Rate of Rat Sperm in Vitro....Pages 47-50
Interaction of Zona-Free Hamster Eggs with Fresh and Frozen Ram Spermatozoa in vitro....Pages 51-54
Glycolytic Activity of Human Spermatozoa From Normal and Infertile Semen....Pages 55-58
Respiratory Stimulation of Sea Urchin Spermatozoa in a Synthetic Jelly Peptide and the Fragments....Pages 59-62
The Effect of Different Substrate Combinations on the Survival of Ram Cauda Epididymal Spermatozoa exposed to 1 m M - RS α-Chlorohydrin....Pages 63-66
The Behavior of Sperm Before Fertilization....Pages 67-74
Oocyte Structure and the Design and Function of the Sperm Head in Eutherian Mammals....Pages 75-89
Role of the Cumulus in Zona Penetration....Pages 90-93
Freeze-Fracture Observations on the Interaction of Human Spermatozoa with Zona-Free Hamster Oocytes....Pages 94-98
INFLUENCE OF INITIATION OF FORWARD MOTILITY ON THE FERTILIZING ABILITY OF IMMATURE BOAR SPERMATOZOA IN in vivo HOMOLOGOUS and in vitro HETEROLOGOUS SYSTEMS OF IMSEMINATION....Pages 99-102
Acquisition of Zona Binding Structures by Ram Spermatozoa During Epididymal Passage....Pages 103-106
Is Sperm α-L-Fucosidase Responsible for Sperm-Egg Binding in Ciona Intestinalis ?....Pages 107-110
Sperm/Zona Pellucida Reactions Leading to Fertilization of Mouse Eggs in vitro ....Pages 111-114
A Freeze-Fracture Study on Epididymal and Ejaculated Spermatozoa of Macaca Fascicularis ....Pages 115-118
Surface Observations on Some Mammalian Spermatozoa After Rapid-Freezing and Deep-Etching....Pages 119-122
A Localized Surface Antigen of Guinea Pig Sperm is Precipitated by Monoclonal Antibodies to an Apparently “Internal”, Heat-Stable Component....Pages 123-126
Establishment of Sperm Surface Topography During Development Analyzed with Monoclonal Antibodies....Pages 127-130
Sperm Maturation Antigens....Pages 131-134
Distribution of Fibronectin on Cellular Surface During the Rabbit Spermiogenesis....Pages 135-142
Interaction of Guinea-Pig Spermatozoa with Immunoglobulins: Evidence of Fc-Specific Membrane Receptors on Spermatozoa....Pages 143-146
Identification and Localization of Two Boar Sperm-Membrane Proteins....Pages 147-150
Antigenic Determinants on the Sperm Cell Surface....Pages 151-154
Relationship Between Y-Chromosome and H-Y Antigen Expression in Human Spermatozoa....Pages 155-158
Surface Changes in Monkey Spermatozoa During Epididymal Maturation and After Ejaculation....Pages 159-162
E.M. Localization of Sugars Having Affinity for Lectins on the Ram Spermatozoa....Pages 163-166
The Joint Spermatozoa of Dytiscidae....Pages 167-170
The Fate of Secreted Glycoproteins in the Mammalian Epididymis Analysed by Electron Microscopic Autoradiography....Pages 171-174
Epididymal Protein Secretion....Pages 175-178
Some Aspects of Chromatin Organization in Sperm Nuclei....Pages 179-196
Nuclear Proteins in Spermatozoa and Their Interactions with DNA....Pages 197-213
Structural Elements of the Mammalian Sperm Nucleus....Pages 214-217
Transformation and Stabilization of Chromatin in Ram Spermatids....Pages 218-221
Chromatin Aggregation of Human Sperm....Pages 222-226
Presumed Impairment of the X Inactivation During Meiotic Prophase: A Common Phenomenon Causing Spermatogenic Breakdown in Various Cytogenetic Conditions....Pages 227-230
Chromatin Decondensation Ability of the Human Spermatozoon....Pages 231-235
Microtubules and Spermiogenesis....Pages 236-244
Are Microtubules Indispensable for Sperm Morphogenesis ? A Comparative Structural Study....Pages 245-248
Aniline Blue Staining of Human Spermatozoon Chromatin. Evaluation of Nuclear Maturation....Pages 249-252
Cytoplasmic Control of the Transformation of Sperm Nucleus Into Male Pronucleus in the Mouse: An Experimental Approach....Pages 253-257
The Acrosome, Its Hydrolases, and Egg Penetration....Pages 259-273
Induction of Acrosome Reaction in Ciona Intestinalis ....Pages 274-276
Freeze-Fracture Observations on the Ionophore-Induced Acrosomal Reaction in Ram Spermatozoa....Pages 277-280
Acrosomal Activation of Mammalian Sperm....Pages 281-285
Ultrastructural Localization of Proacrosin and Acrosin During the Acrosome Reaction in Ram Spermatozoa....Pages 286-289
Control Mechanisms in Sperm Flagella....Pages 291-303
Sperm Motility: Mechanisms and Control....Pages 304-314
A Study of the Motility of Limulus Polyphemus Spermatozoa Using Quasielastic Light Scattering and Cinematography....Pages 315-320
Studies on Sperm Motility by Laser-Light Scattering....Pages 321-327
Human Sperm Velocities, Evaluation by Microcinematography and Laser Doppler Velocimetry (LDV)....Pages 328-331
Laser Light Scattering Study of Spermatozoa Motility of Domestic Animals....Pages 332-335
Computer Quantitation of Irradiated Hamster Sperm Motility....Pages 336-339
The Evolution of Mammalian Sperm Motility in the Male and Female Reproductive Tracts....Pages 340-344
Movement Characteristics of Hamster Spermatozoa....Pages 345-348
Do Capacitated Human Spermatozoa Show an “Activated” Pattern of Motility?....Pages 349-352
Direction of Rolling in Mammalian Spermatozoa....Pages 353-355
Observation of the Tailwaves of Mouse Spermatozoa....Pages 356-359
Influence of Flagellar Wave Development on Human Sperm Movement in Seminal Plasma....Pages 360-363
Initiation of Sperm Flagellar Movement Using Rat Demembranated Sperm Model: Nucleotide Specificities....Pages 364-367
Direct Evidence That Cyclic AMP is an Indispensable Factor for Initiation of Sperm Motility in Salmonid Fishes....Pages 368-371
Protein-Carboxyl Methylation in Spermatozoa....Pages 372-375
Loss of Activity of Motile Components in Rat Spermatids During Differentiation to Virtually Immotile Testicular Spermatozoa....Pages 376-379
The Movement of Distal Ends of Sperm Flagella with and Without a Terminal Filament....Pages 380-383
Sperm Structure in Relation to Function and Phylogeny....Pages 385-394
Sperm Size, Body Mass and Reproduction in Mammals....Pages 395-398
The Neck Region of Mouse Spermatids: A Morphological and Functional Analysis....Pages 399-402
Study of Spermatozoa in Lemur Hybrids. (Prosimians — Primates)....Pages 403-406
Comparative Histo-Enzymatic Study of Spermatozoa in Monkey and Mouse....Pages 407-410
Acrosome Development During Spermiogenesis and Epididymal Sperm Maturation in Australian Marsupials....Pages 411-414
Evolution of the Mamalian Epididymis....Pages 415-418
Synthesis of Mitochondrial Proteins from Mouse Epididymal Spermatozoa During Spermatogenesis....Pages 419-422
Some Aspects of Spermatogenesis and Spermatology in Teleost Fish....Pages 423-426
Nucleus and Acrosome of Tick Sperm: Position and Structure (With Comparisons Between Ixodid and Argasid Ticks)....Pages 427-430
The Giant Acrosome of Geogarypus (Arachnida, Pseudoscorpiones) and Phylogenetic Considerations....Pages 431-435
A Comparative Study on the Spermatogenesis of Trichoptera and Lepidoptera....Pages 436-439
Spermatozoa and Diptera Phylogeny....Pages 440-445
TWO DIFFERENT LINES IN Tubifex tubifex spermiogenesis....Pages 446-449
Trends in the Evolution of Flatworm Spermatozoa....Pages 450-453
A New Look at Monogenea and Digenea Spermatozoa....Pages 454-457
The Reverse Movement of a Snail Spermatozoon....Pages 458-462
Back Matter....Pages 463-465