To save content items to your account,
please confirm that you agree to abide by our usage policies.
If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account.
Find out more about saving content to .
To save content items to your Kindle, first ensure email@example.com
is added to your Approved Personal Document E-mail List under your Personal Document Settings
on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part
of your Kindle email address below.
Find out more about saving to your Kindle.
Note you can select to save to either the @free.kindle.com or @kindle.com variations.
‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi.
‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.
This chapter focuses on the salient features of ductal obstruction of the male genital tract to allow the identification of the appropriate candidates for microsurgical treatment. It examines the role of microsurgical reconstruction in the era of assisted reproductive technology. Vasovasostomy may be performed using optical loupes or an operative microscope. Macrosurgical techniques suffer from higher rates of failure and are now of a historic nature. Two of the most widely accepted techniques, the modified one-layer and the multilayer vasal anastomosis, are described in this chapter. Special approaches for reconstruction are indicated when the vasal obstruction is outside of the scrotum. When sperm were absent from the intraoperative vasal fluid, patency and pregnancy results correlated with characteristics of vasal fluid with copious clear fluid portending the best outcomes. The absence of fluid or a thick, inspissated fluid suggests an epididymal obstruction, and a vasoepididymostomy should be considered.
We develop exact integral equations satisfied by the spin-spin correlation functions of a realistic spin glass model. This is done by considering the magnetic particles in a spin glass to be bound states of hard sphere ‘atoms’ and classical ‘spins’, the former of which are quenched in position, while the latter are allowed to equilibrate. We develop the replica Ornstein-Zernike (ROZ) equations, which are satisfied by the correlation functions of such a partly quenched mixture. We prove that two widely used OZ closures, the Percus-Yevick approximation and mean-spherical approximation are indifferent to quenched disorder, i.e., they give tihe same results for quenched and for fully annealed systems. We extend the ROZ equations to apply to the spin glass by using the proper interaction-site formalism. Preliminary numerical results are discussed.
Email your librarian or administrator to recommend adding this to your organisation's collection.