By Rainer Gottlob M. D., Robert May M. D. (auth.)
Venous valves rank one of the smallest and so much tender organs of the human and animal our bodies - so why dedicate a complete ebook to them? We have been prompted to take action by means of numerous purposes. to start with we'd indicate the medical value of venous valves. within the pathogenesis of a couple of common ailments, akin to varicose veins or the post-thrombotic syndrome, venous valves are concerned because the underlying reason or at the least an element contributory to the indications. in accordance with Taheri et al. those venous illnesses take place ten instances extra often than arterial obliterations. Incompetence of venous valves additionally performs a causal function in varicocele, the main widespread reason for male infertility. yet not just pathogenetic purposes precipitated us to write down this publication. in additional fresh occasions there was a transforming into tendency to reconstruct sensible valve problems therapeutically; a number of surgical tools were constructed, that are significantly reviewed during this ebook. It used to be our target to sum up present wisdom with recognize to constitution and serve as of venous valves and to extend that knowl facet via findings of our personal. Examinations of semi-thin sections and unilayered en-face arrangements have hardly ever been released to date, and systematic experiences of the ultrastructure by way of electron-microscopy weren't to be present in the literature. we're very thankful, hence, to Dr. Silvana Geleff for having undertaken this kind of examine upon our suggestion.