搜索结果: 1-15 共查到“医学 Sperm motility”相关记录39条 . 查询时间(0.318 秒)
The automated analysis of rat sperm motility following subchronic epichlorohydrin administration：methodologic and statistical considerations
rat sperm motility subchronic epichlorohydrin administration methodologic and statistical considerations
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2009/2/23
The automated analysis of sperm motion endpoints is potentially useful in identifying male reproductive toxicants and ultimately in predicting fertility in humans. The present study was designed to ...
The effect of tumor necrosis factor on human sperm motility in vitro
tumor necrosis factor human sperm motility
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2009/2/23
Tumor necrosis factor (TNF alpha) is present in elevated levels in peritoneal fluid from infertile women with endometriosis. The effect of TNF alpha on human sperm motility in vitro was evaluated ...
Purification and characterization of a sperm motility inhibitor in human seminal plasma
sperm motility inhibitor human seminal plasma
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2009/2/23
A sperm motility inhibitor from human seminal plasma was purified and characterized. The purification procedure includes dialysis, ion exchange chromatography on SP-Sephadex C-25 and adsorption chro...
Computerized videomicrographic analysis of rat sperm motility
Computerized videomicrographic analysis rat sperm motility
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2009/2/23
Quantitative methods for the determination of the concentration, percent motility and swimming speed of human and animal spermatozoa can assist in the objective analysis of sperm and semen quality. ...
Quantification of bovine sperm separation by a swim-up method. Relationship to sperm motility, integrity of acrosomes, sperm migration in polyacrylamide gel and fertility
Quantification bovine sperm separation swim-up method
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2009/2/23
The number of bovine spermatozoa separated in a swim-up procedure was quantified using an electronic cell counter. In an initial test of the swim-up procedure, non-frozen sperm samples with differen...
The presence of a motility inhibitor within spermatozoa may explain the poor sperm motility of some infertile men
motility inhibitor spermatozoa poor sperm motility infertile men
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2009/2/23
The presence of motility inhibitors in seminal plasma and within spermatozoa from control and infertile men with poor sperm motility was investigated using demembranated reactivated human spermatozo...
Laser light-scattering study of the toxic effects of methylmercury on sperm motility
methylmercury spermatozoa motility Macaca fasicularis laser light-scattering
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2009/2/23
An in vitro study was designed using the laser light-scattering technique to obtain further information on the dose-effect relationship of methylmercury on sperm motility. The technique provided a q...
Selective luminal absorption of L-carnitine from the proximal regions of the rat epididymis. Possible relationships to development of sperm motility
L-carnitine rat epididymis sperm motility microperfusion
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2009/2/23
The absorption of L-carnitine from the duct of the proximal regions of the rat epididymis was investigated using a stopped-flow, split-droplet microperfusion technique. L-carnitine was absorbed from...
Linear and nonlinear mouse sperm motility patterns
Linear nonlinear mouse sperm motility patterns
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2009/2/20
A quantitative method is described for distinguishing two types of mouse sperm motility using a new parameter, the Linear Index. One hundred spermatozoa from C57BL/6-+/+ and 100 spermatozoa from C57...
Recovery of normal testicular ultrastructure and sperm motility after cessation of gossypol treatment in rats
normal testicular ultrastructure sperm motility gossypol treatment rats
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2009/2/20
This study evaluates the reversibility of the effects of gossypol on testicular ultrastructure and the motility of epididymal spermatozoa. Adult male rats were treated 6 days weekly with the vehic...
A Comparison of Subjective and Objective Sperm Motility Evaluation
sperm motility statistical comparison computer analysis
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2009/2/19
A series of semen samples that had been recorded on motion picture film, then evaluated via standard visual techniques by a number of well established fertility clinics (Van Duijn et al (1971)), w...
Sperm Motility and Histomorphometry of the Testis of the Genetically Obese Zucker Rat
Zucker rat testis sperm
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2009/2/19
The reproductive system of male obese Zucker rats was studied to determine whether there are abnormalities in testis composition, organ weights, or sperm motility, which might contribute to their se...
Effect of acute androgen withdrawal by GnRH antagonist on epididymal sperm motility and morphology in the cynomolgus monkey
acute androgen withdrawal GnRH epididymal sperm motility
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2009/2/18
Hormonal male contraception requires an induction phase before azoospermia and contraceptive safety are achieved. The nature of spermatozoa that may be ejaculated during this induction phase was s...
Sperm motility enhancement by nitric oxide produced by the oocytes of fathead minnows, Pimephelas promelas
Fertilization CASA electron spin resonance oocyte
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2009/2/18
The effects of nitric oxide (NO) on sperm motility were examined in the fathead minnow, Pimephelas promelas, using computer-assisted sperm analysis (CASA). The observed effects underscore the dual n...
Hst7：a male sterility mutation perturbing sperm motility, flagellar assembly, and mitochondrial sheath differentiation
Allele asthenospermia axoneme t complex t haplotype
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2009/2/17
Hst7, a mouse hybrid sterility locus, has been mapped in close linkage to four other hybrid sterility loci, on proximal chromosome 17 within the t complex. When an allele (s) of Hst7 from the specie...