Publications

Use of Human Chorionic Gondadotropin in a Male Pacific Walrus (Odobenus rosmarus divergens) to Induce Rut and Achieve a Pregnancy in a Nulliparous Female.

Press Releases 2012: Six Flags Discovery Kingdom Biologists Successful in Helping Walrus Conceive Scientific breakthroughs beneficial in better understanding of walrus reproduction VALLEJO, Calif. – January 19, 2012 - After several years of research, Six Flags Discovery Kingdom recently reached a scientific breakthrough with the conception of one of its Pacific walruses. In the last 80 years only 11 calves have been born in U.S. facilities. The results of the park’s … Continued

Testicular Germline Stem Cells

Objectives Stem cells have the ability to both differentiate into other mature cell types and maintain an undifferentiated state by self-renewal. Currently, embryonic stem cells are the best studied stem cell type. Among adult stem cells, emerging research has focused on evaluating the pluripotency potential of testis stem cells. This review summarizes our current scientific understanding of the creation, assessment and clinical potential of testis-derived stem cells. Design Retrospective review … Continued

The Value of Testicular Mapping in Men With Non Obstructive Azoospermia

As the field of assisted reproduction has advanced, many previously untreatable men are now biological fathers. Although finding sperm in men with obstructive azoospermia is not difficult, locating and retrieving spermatozoa in men with non-obstructive azoospermia remains a clinical challenge, largely because sperm production in these men can be patchy or focal in nature. In response to this challenge, strategies such as fine-needle aspiration (FNA) mapping have been developed to find spermatozoa. This … Continued

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