A Comparative Overview of Mammalian Fertilization by J. Michael Bedford (auth.), Bonnie S. Dunbar, Michael G.

By J. Michael Bedford (auth.), Bonnie S. Dunbar, Michael G. O’Rand (eds.)

In 1964, the Fertilization and Gamete body structure examine education application (FERGAP) used to be tested on the Marine organic Laboratories, Woods gap, Massachusetts. Over the process the subsequent 12 years, lower than the directorship of Dr. Charles B. Metz, FERGAP introduced jointly, educated, and encouraged a iteration of scholars in reproductive biology from around the globe. As scholars of C. B. Metz and as FERGAP trainees, we want to devote this accumulated paintings on comparative mammalian fertilization to our instructor and mentor, Dr. Charles B. Metz. Like a couple of authors contributing to this quantity, we have now been struck by way of the numerous effect that C. B. Metz and FERGAP had at the improvement of scholars of reproductive biology. utilising either the classical and molecular strategies of mobile biology and immunology to difficulties of gamete biology, Dr. Metz emphasised a comparative and analytical process that was once mirrored in his personal learn on fertilization in Paramecia, sea urchins, frogs, and mammals. it really is was hoping that this quantity will serve to stimulate scholars to find the myriad of interesting examine difficulties in gamete and reproductive biology. Bonnie S. Dunbar Michael G. O'Rand Houston, Texas Chapel Hill, North Carolina ix Contents half I COMPARATIVE evaluation OF MAMMALIAN GAMETES The Coevolution of Mammalian Gametes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . three J. Michael Bedford I. creation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . three 2. Gamete layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . four 2.1. Monotremes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . five . . . . . . . . . . . . . . 2.2. Marsupials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . five . . . . . . . . . . . . . . . 2.3. Eutherians . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . nine three. Gamete Maturation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 . . . . . . . . . . . . . . . three .1. Oocyte Maturation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 . . . . . . . . . . . . . 3.2. Sperm Maturation within the Male . . . . . . . . . . . . . . . . . . . . . . . 15 . . . . . . . . . .

Show description

Read or Download A Comparative Overview of Mammalian Fertilization PDF

Similar comparative books

Comparative Survey of Securities Laws: A review of the securities and related laws of fourteen nations

The part on company legislation of the foreign Bar organization is drastically indebted to the Editor, J. Michael Robinson and to John Gauntlett, the Chairman of the Committee on matters and buying and selling in Securities, and his Vice­ Chairmen, Blaise Pasztory, Robert Briner and the contributors of the Committee who've contributed, for his or her joint efforts in getting ready this ftrst publication in their committee.

The Method and Culture of Comparative Law: Essays in Honour of Mark Van Hoecke

Understanding for the necessity to deepen the methodological foundations of criminal study is just fresh. an analogous is correct for comparative legislations, via nature a extra adventurous department of criminal learn, that's frequently anything researchers easily do, at any time when they give the impression of being at international felony platforms to respond to a number of of a number questions on legislations, no matter if those questions are doctrinal, fiscal, sociological, and so on.

COMECON Data 1990

This guide of statistical information at the economies of japanese Europe, together with Yugoslavia and the Soviet Union covers such issues as distribution and construction, international exchange and indebtedness, family finance, strength families and criteria of residing.

Extra resources for A Comparative Overview of Mammalian Fertilization

Sample text

That movement of the head is created by a vibration of the stiff anterior portion of the tail, generated by the thrashing movement of the posterior segment remaining outside the zona. 26 Chapter1 oscillation's limited scythe-like movement may create a shear-thinning effect on the zona that maximizes the effectiveness of that thrust. In accord with the inference that the movement required for zona penetration generates shear forces at the sperm surface, the inner acrosomal membrane has developed an unusual stability which is inappropriate to a fusogenic role.

It is possible that in at least some marsupials complete maturation and oocyte fertilizability are reached after ovulation, following the oocyte's arrival in the oviduct (see Chapter 7). Furthermore, in all of the three marsupial genera examined, a loss of the cumulus oophorus from around the egg begins some hours before and is complete at ovulation. This stands in contrast to the eutherian situation, where a full cumulus invests the oocyte at ovulation and generally at fertilization. Other than the role proposed by Blandau (1969) in oocyte pickup and transfer to the tubal infundibulum (one clearly not operative in marsupials), it has been difficult to propose a function for the cumulus of the ovulated egg since cumulus-free eggs can be fertilized quite readily.

I (E. Knobil and J. D. ), Raven Press, New York, pp. 27-68. Eng, L. , 1978, Rabbit sperm reversible decapacitation by membrane stabilization with a highly purified glycoprotein from seminal plasma, Bioi. Reprod. 19:1083-1094. , and Bedford, J. , 1985, The rooster sperm surface changes in passing through the Wolffian duct, J. Exp. Zoo[. 234:441-449. , and Bedford, J. , 1987, Post-testicular changes in the reptile sperm surface with particular reference to the snake, Natrixfasciata, J. Exp. Zoo[.

Download PDF sample

Rated 4.10 of 5 – based on 26 votes