搜索结果: 1-15 共查到“性科学 semen quality”相关记录24条 . 查询时间(0.187 秒)
The sperm chromatin structure assay. Relationship with alternate tests of semen quality and heterospermic performance of bulls
sperm chromatin structure assay alternate tests semen quality heterospermic performance
2009/2/23
Data obtained by the sperm chromatin structure assay (SCSA) on spermatozoa from nine bulls were correlated with fertility, measured by heterospermic performance (-0.94, P less than 0.01) and by al...
A prospective study of the relationship between semen quality and fertility in cases of unexplained infertility
hamster oocyte penetration sperm motility unexplained infertility
2009/2/20
The male partners of 68 couples exhibiting 5.1 +/- 0.3 (SEM) years of unexplained infertility were assessed using the conventional criteria of semen quality, the movement characteristics of the sper...
Effect of repeated testicular biopsy on testis function and semen quality in dogs
Sperm output sperm motility spermatogenesis
2009/2/17
The study was designed to quantitatively evaluate the effect of repeated testicular biopsy of avascular areas by the open method on spermatogenesis, semen quality, and sperm output in dogs. After a ...
Effects of psychological stress on human semen quality
psychological stress human semen quality
2009/2/17
We investigated the relationship between psychological stress and sperm concentration, motility, and morphometry in a prospective study of 157 volunteers who were enrolled in a prepaid health plan. ...
Scrotal and oral temperatures are not related to semen quality of serum gonadotropin levels in spinal cord-injured men
Electroejaculation sperm fertility paraplegia neuroendocrine
2009/2/13
Scrotal temperature, oral temperature, and the difference between oral and scrotal temperature were measured in spinal cord-injured subjects (SCI) and non-injured subjects as controls. We statisti...
Leukocytic infiltration into the human ejaculate and its association with semen quality, oxidative stress, and sperm function
Leukocytes reactive oxygen species sperm function
2009/2/12
Immunocytochemical techniques have been used to monitor the size and composition of the leukocyte population in unfractionated human semen samples and sperm populations generated by Percoll gradie...
Relationship of semen quality, number of sperm inseminated, and fertility in rabbits
semen quality sperm inseminated fertility rabbits
2009/2/12
The relationship between the total number of sperm inseminated, semen quality, and fertility in rabbits was investigated, using fractionated or unfractionated semen and different diluting fluids. Se...
Longitudinal study of semen quality of unexposed workers Sperm motility characteristics
semen quality unexposed workers Sperm motility characteristics
2009/2/7
As part of a longitudinal study of human semen characteristics of unexposed workers, sperm motility measurements were made using computer-assisted sperm analysis. Motility analyses were conducted on...
Longitudinal study of semen quality of unexposed workers：sperm head morphometry
morphology morphometry sperm head statistics tolerance intervals
2009/1/5
As part of a longitudinal study of human semen characteristics of unexposed workers, sperm head measurements were made using image analysis (Image Technologies Corp., Deer Park, NY). Morphometry was...
Effect of scrotal insulation on clusterin-positive cells in ram semen and their relationship to semen quality
Clusterin abnormal spermatozoa semen analysis
2008/12/29
Scrotal contents of 2 rams were insulated for 96 hours and the fraction (as a percentage) of clusterin-positive cells (CPCs) and its relationship to semen quality was investigated. Semen collection ...
Morphologically distinct sperm subpopulations defined by Fourier shape descriptors in fresh ejaculates correlate with variation in boar semen quality following cryopreservation
sperm subpopulations Fourier shape descriptors fresh ejaculates boar semen quality
2008/12/26
This study investigated two hypotheses: 1) that consistent between-boar variation in frozen semen quality exists and is genetically determined, and 2) that morphologically distinct subpopulations...
Semen quality and human fertility：a prospective study with healthy couples
Semen quality human fertility prospective study healthy couples
2008/12/25
Measures of semen quality are used as surrogate measures of male fertility in clinical andrology, reproductive toxicology, epidemiology, and risk assessment. However, only limited data are av...
DNA integrity in human spermatozoa：relationships with semen quality
DNA integrity human spermatozoa relationships semen quality
2008/12/26
The literature contains conflicting evidence regarding the existence of DNA damage in spermatozoa from infertile male patients. To examine this phenomenon, we have studied ejaculated spermatozoa from ...
DNA integrity in human spermatozoa：relationships with semen quality
DNA integrity human spermatozoa relationships semen quality
2008/12/25
The literature contains conflicting evidence regarding the existence of DNA damage in spermatozoa from infertile male patients. To examine this phenomenon, we have studied ejaculated spermatozoa fro...
Regional Variations in Semen Quality of Community-Dwelling Young Men From Flanders Are Not Paralleled by Hormonal Indices of Testicular Function
FSH inhibin B spermatogenic arrest sperm quality T:LH ratio
2008/12/24
Epidemiological studies of sperm quality are hampered by problems such as low participation rates and poor comparability of results due to methodological differences in semen analysis. More ob...