搜索结果: 1-15 共查到“性科学 semen”相关记录118条 . 查询时间(0.132 秒)
分析精索静脉曲张患者睾丸及精液指标的变化，探讨其对于男性生殖功能的影响。方法回顾分析2003年以来在我院诊治的172例精索静脉曲张患者的资料，阴囊超声检测患者双侧睾丸的体积。收集167例患者的精液标本进行分析，同时收集163例青年健康志愿者的精液分析资料作为对照组。结果所有患者均存在左侧精索静脉曲张，其中63例为双侧精索静脉曲张，但大多数左侧精索静脉曲张的临床分级均高于右侧。患者左侧睾丸体积平均为...
Comparison of semen parameters between pregnant and nonpregnant couples with male factor infertility during intrauterine insemination
Male factor semen parameter sperm concentration pregnancy
2010/1/12
Aim: To compare the semen parameters between pregnant and nonpregnant couples with male factor infertility during intrauterine insemination (IUI). Materials and Methods: The study included a total of ...
Demonstration of the role of prostate-specific antigen in semen liquefaction by two-dimensional electrophoresis
prostate-specific antigen semen liquefaction two-dimensional electrophoresis
2009/2/23
Two-dimensional protein profiles of human semen, prostatic fluid, and seminal vesicle fluid were compared to demonstrate changes in the protein composition of human semen before and after liquefac...
Quality control during the conventional analysis of semen, an essential exercise
Quality control conventional analysis semen essential exercise
2009/2/23
Intra- and inter-technician variability in assessing sperm motility by the methods recently advocated by the World Health Organization (WHO) were studied. The intra- and inter-technician variability...
Study of the accuracy of physical and biochemical markers in semen to detect infectious dysfunction of the accessory sex glands
male infertility semen analysis semen biochemistry prostatitis acid phosphatase gamma-glutamyltranspeptidase
2009/2/23
Infection of the male accessory sex glands may result in impaired secretory function and alteration of the composition of seminal plasma. Using receiver operating characteristic curves and accuracy ...
Diagnostic value of sperm function tests and routine semen analyses in fertile and infertile men
Diagnostic value sperm function tests routine semen analyses fertile infertile men
2009/2/23
The results of routine semen analyses, the zona-free hamster oocyte penetration test, the hypoosmotic swelling test, and semen adenosine triphosphate levels were studied in 66 fertile and 130 infe...
The relationship between the motility and morphology of spermatozoa in human semen
semen sperm motility sperm morphology male infertility
2009/2/23
High-speed videomicrography was used to assess simultaneously the morphology and motility of seminal spermatozoa from 10 fertile donors and 10 patients being evaluated for infertility. In both don...
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...
Computer-assisted human semen analysis. Sampling errors and reproducibility
Computer-assisted human semen analysis Sampling errors reproducibility
2009/2/23
Videomicrographic computer-automated semen analysis systems allow quantitative description of sperm motility, velocity, progression, and head movement amplitude and frequency with unprecedented ease...
Relationship of human sperm acrosin and proacrosin to semen parameters. II. Correlations
human sperm acrosin semen parameters
2009/2/23
Previous results, simultaneously confirmed by others, suggest that a relationship exists between sperm acrosin levels and fertility in man. The assessment of sperm acrosin may therefore be a useful ...
Comparison of a direct and indirect ELISA for quantitating antisperm antibody in semen
direct indirect ELISA quantitating antisperm antibody semen
2009/2/23
A direct and an indirect quantitative ELISA for antisperm antibody were compared using the spermatozoa and cell-free seminal fluid of 66 infertile males. The normal concentration of sperm binding immu...
Numerous groups of small tubules were observed in the semen of two infertile patients. These structures were about 80 nm in diameter and could be observed within larger concentric tubules. They did ...
Stability of basic semen measures and abnormal morphology within individuals
semen morphology human variation
2009/2/23
Semen from 15 healthy volunteers was assessed for basic semen measures every 2 weeks over a 6-month period to determine the relative stability of these factors. The parameters were: sperm count, sem...
In vitro production of a TRH-homologous peptide and His-Pro diketopiperazine by human semen
TRH-like peptide His-Pro diketopiperazine peptide biosynthesis in semen
2009/2/23
Fresh human semen, diluted 1:1 v/v with 0.15 M NaCl- 0.05 M phosphate, pH 7.5, undergoes a 3-fold increase in total thyrotropin-releasing hormone (TRH) immunoreactivity on incubation at 4 C for 8 to...
Identification and distribution of Pz-peptidases A and B in human semen
Identification distribution Pz-peptidases A and B human semen
2009/2/23
Human semen was fractionated into fluid, particle and spermatozoal constituents using Percoll density gradient centrifugation followed by additional separation steps. All of the fractions isolated p...