John d biggers (35 risultati)

Hardcover. Condizione: Fair. No Jacket. Missing dust jacket; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.

Condizione: Good. Former library copy. Pages intact with minimal writing/highlighting. The binding may be loose and creased. Dust jackets/supplements are not included. Includes library markings. Stock photo provided. Product includes identifying sticker. Better World Books: Buy Books. Do Good.

paperback. Condizione: Like New. Used - Like New.

Condizione: As New. Unread book in perfect condition.

Condizione: New.

Condizione: New. Walter Heape, F.R.S.: A Pioneer of Reproductive Biology (Paperback or Softback).

Condizione: New.

hardcover. Condizione: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority.

Condizione: good. A copy that has been read, remains in good condition. All pages are intact, and the cover is intact. The spine and cover show signs of wear. Pages can include notes and highlighting and show signs of wear, and the copy can include "From the library of" labels or previous owner inscriptions. 100% GUARANTEE! Shipped with delivery confirmation, if you're not satisfied with purchase please return item! Ships via media mail.…

Condizione: New.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

HRD. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Condizione: New.

Condizione: As New. Unread book in perfect condition.

Condizione: New.

Condizione: New.

Condizione: New. pp. 388.

Condizione: New. Satisfaction Guaranteed or your money back.

Paperback. Condizione: Brand New. reprint edition. 382 pages. 9.01x5.98x0.88 inches. In Stock.

Taschenbuch. Condizione: Neu. Druck auf Anfrage Neuware - Printed after ordering - InhaltsangabePrologue.- 1 Collection of Gametes in Laboratory Animals and Preparation of Sperm for in Vitro Fertilization.- Collection of Ova for in Vitro Fertilization.- Methods Presently Used for Sperm Collection.- Differences in Sperm as a Function of Collection Method.- Preparation of Ejaculated Sperm for Use in in Vitro Fertilization.- Methods Used to Induce Capacitation of Ejaculated Sperm.- References.- 2 Ovum Collection and Induced Luteal Dysfunction in Primates.- Ovum Collection.- Evaluation of Corpus Luteum function.- Induced Folliculogenesis.- Discussion and Conclusions.- References.- 3 Analysis of Culture Media for in Vitro Fertilization and Criteria for Success.- Culture Media.- Criteria for Success.- Conclusions.- References.- 4 In Vitro Culture of the Zygote and Embryo.- General Observations on Fertilization and Early Development in Vitro.- Metabolic Requirements for Embryonic Development in Vitro.- Complex Media and Biological Fluids for Embryo Culture.- Conclusions.- References.- 5 Mechanisms of Fertilization in Mammals.- Epididymal Maturation and Capacitation of Spermatozoa.- Acrosome and Acrosome Reaction.- Hyperactivation of Spermatozoa.- Interaction of Spermatozoa with the Cumulus Oophorus.- Interaction of Spermatozoa with the Zona Pellucida.- Sperm-Egg Fusion.- Decondensation of the Sperm Nucleus and Development of Sperm and Egg Pronuclei.- Conclusions.- References.- 6 The Mammalian Egg's Block to Polyspermy.- Zona Reaction.- Zona Reaction Mechanisms.- Egg Plasma Membrane Block.- Block to Polyspermy Mechanisms.- Conclusions.- References.- 7 Gamete Interaction in the Sea Urchin A Model for Understanding the Molecular Details of Animal Fertilization.- Fertilization in the Sea Urchin.- The Plasma Membrane of Sea Urchin Sperm.- Sperm-Specific Surface Antigenicity Common to Seven Animal Phyla.- Isolation of Acrosome Granules and Identification of Bindin as the Major Component Involved in Sperm Adhesion.- Identification of a Bindin Receptor Glycoprotein from the Egg Vitelline Layer.- Conclusions.- References.- 8 Awakening of the Invertebrate Egg at Fertilization.- Sperm-Egg Fusion and the Rapid Block to Polyspermy.- Insertion and Localization of Sperm Components in the Egg.- The Cortical Reaction and Extracellular Peroxidative Reactions.- Activation of Egg Metabolism.- Conclusions.- References.- 9 Chromosome Aberrations and Mammalian Reproduction.- The Newborn.- Postimplantation Embryos.- Preimplantation Embryos.- Germ Cells.- Conclusions.- References.- 10 The Effects of Chromosomal Aneuploidy on Early Development Experimental Approaches.- Products of Aneuploid Mouse Embryos.- The Consequences of Monosomy.- Identical Twin Embryos.- Conclusions.- References.- 11 Blastocyst Fluid Formation.- Na+/ K+ ATPase and Blastocyst Fluid Accumulation.- Oxygen Consumption and Active Transport.- Developmental Aspects of Solute Transport in Blastocysts.- Conclusions.- References.- 12 Water and Electrolyte Transport by Pig Chorioallantois.- Porcine Allantoic Fluid Volume and Composition.- Effect of Lactogenic Hormones on Transport Properties of the Porcine Chorioallantoic Membrane.- Effect of Bromocryptine on Allantoic Fluid Volume and Electrolyte Composition at Day 30 of Gestation.- Discussion and Conclusions.- References.- 13 Critical Review of Embryo Transfer Procedures with Cattle.- Normalcy of Superovulated Ova.- A Note on Experimental Design.- Morphological Evaluation of Embryos.- Morphological Normalcy of Superovulated Ova with Time.- In Vitro Culture of Bovine Embryos.- Stage of the Estrous Cycle to Initiate Superovulation.- Regimens for Inseminating Superovulated Cows.- Side of Transfer.- Stage of Embryonic Development and Surgical Transfer.- Donor-Recipient Estrous Cycle Synchrony.- Factors Affecting Pregnancy Rates after Nonsurgical Transfer.- Summary and Conclusions.- References.- Epilogue. …

Paperback. Condizione: New. Print on Demand. This book reports on the 1937 United States Census of Unemployment. Following the Great Depression, the government conducted a survey of the unemployed to better serve and understand the needs of its citizens. The survey included questions about income, occupation, age, dependents, and working hours. In addition to the unemployment survey, the book includes the findings of a subsequent enumerative census, designed to check the accuracy of the voluntary survey. Through these two surveys, the author was able to make inferences about the population of workers not captured in the original survey, like housewives supplementing their family income and those only seeking work due to circumstance rather than financial necessity. This book provides a snapshot of the experiences of the American worker in the late 1930s. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. …

Paperback. Condizione: New. Print on Demand. This book presents findings from the 1937 voluntary registration of the unemployed and partly unemployed in the United States. The author utilized data from nearly four million registrations, and this book delineates in detail the characteristics and geographic distribution of said unemployment. The author notes several defining distinctions among the various unemployment categories and offers a comprehensive look at the demographic and socio-economic data of these groups. Included amongst the findings are estimations of the duration of unemployment, the income of the unemployed, and the age range of the unemployed. The author delves deeper into the impact of unemployment on family structures and how many were affected by the loss of even one income. Broken down by race, age, gender, industry, and type of occupation, this book provides a valuable historical resource and an in-depth look into the unemployment crisis of the Great Depression. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item.…

Paperback. Condizione: Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.

Condizione: As New. Unread book in perfect condition.