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Pituitary gonadotropin content in gonadectomized rats. Immunoassay measurements influenced by extraction solvent and testosterone replacement
Pituitary gonadotropin content gonadectomized rats Immunoassay measurements extraction solvent
2009/2/23
Increasing interest in events regulating gonadotropin synthesis and secretion led to the reexamination, by radioimmunoassay (RIA), of the pituitary content of luteinizing hormone (LH) and follicle s...
Release, extraction, and stability of hyaluronidase associated with human spermatozoa
spermatozoa hyaluronidase human cryopreservation
2009/2/20
In contrast to the rabbit: 1) no hyaluronidase could be detected in fresh or frozen human seminal plasma, all color formation on assay being due to a dialyzable, heat stable factor; 2) almost no hya...
Acrosin, Proacrosin, and Acrosin Inhibitor of Human Spermatozoa：Extraction, Quantitation, and Stability
acrosin proacrosin acrosin inhibitor human spermatozoa
2009/2/18
Ten different methods were evaluated to determine the treatment for obtaining maximal amounts of acrosin, proacrosin, and acrosin inhibitor (the acrosin system) from human spermatozoa by a single te...
The Esthetic Impact of Extraction and Nonextraction Treatments on Caucasian Patients
Soft tissue profile Extraction Nonextraction
2008/12/29
This investigation was designed to compare the esthetic effects of extraction and nonextraction treatments. Panels of 58 laypersons and 42 dentists evaluated randomly presented pre- and posttreatm...
Morphology of testicular spermatozoa obtained by testicular sperm extraction in obstructive and nonobstructive azoospermic men and its relation to fertilization success in the in vitro fertilization-intracytoplasmic sperm injection system
Morphology testicular spermatozoa testicular sperm extraction azoospermic men
2008/12/26
The aim of the present study was to evaluate the morphology of testicular spermatozoa by 3 different determinants. Sperm cells were obtained and their morphology was evaluated from 27 testicular spe...
Comparison of Efficacy of Two Techniques for Testicular Sperm Retrieval in Nonobstructive Azoospermia：Multifocal Testicular Sperm Extraction Versus Multifocal Testicular Sperm Aspiration
Male infertility Sertoli cell only arrest of spermatogenesis hypospermatogenesis motility
2008/12/23
To compare the efficacy of 2 sperm-retrieval procedures, testicular sperm extraction (TESE) and testicular sperm aspiration (TESA), during the same procedure using the same subjects as their own con...
The Utility of Optical Loupe Magnification for Testis Sperm Extraction in Men With Nonobstructive Azoospermia
Male infertility intracytoplasmic sperm injection
2008/12/23
The testis of patients with nonobstructive azoospermia (NOA) harbors sperm in approximately 30% to 60% of cases. Use of an operating microscope has been shown to result in better sperm retrieval rat...