搜索结果: 1-15 共查到“性科学 males”相关记录17条 . 查询时间(0.225 秒)
The Transition of Adolescent Males To First Sexual Intercourse：Anticipated or Delayed?
Adolescent Males sexual activity broadens First Sexual Intercourse
2009/9/17
CONTEXT: Recognition of the different social, psychological and behavioral contexts within which adolescents initiate sexual activity broadens the understanding of teenage sexual behavior beyond the t...
Heterosexual Genital Sexual Activity Among Adolescent Males：1988 and 1995
Heterosexual Adolescent Males Sexual Activity
2009/9/15
Context: Researchers have paid little attention to adolescents' experience with genital sexual activity other than vaginal intercourse, even though oral and anal intercourse expose youth to the risk o...
The pituitary-testicular axis at rest and during moderate exercise in males with diabetes mellitus and normal sexual function
pituitary-testicular axis moderate exercise males diabetes mellitus normal sexual function
2009/2/23
Hormonal studies of pituitary-testicular function in insulin-dependent diabetes mellitus were examined at rest and during moderate exercise to assess whether diabetes per se caused abnormalities of ...
The prolactin response of males to a standard MVO2 treadmill test
prolactin response males standard MVO2 treadmill test
2009/2/23
The concentration of serum prolactin in response to a standard MVO2 treadmill stress test to self-perceived exhaustion was investigated in 19 normal healthy males. The prolactin concentration remain...
Effect of gonadotropin-releasing hormone on prolactin levels in males unrelated to stress or behavioral changes
gonadotropin-releasing hormone prolactin levels males
2009/2/23
Hormone levels, physiologic parameters, electroencephalographic (EEG) activity, and changes in subjective feelings recorded using a nonverbal instrumental device were assessed following the double-b...
Sexual maturation in underfed weight-matched rats. A test of the“critical body weight”theory of pubertal timing in males
Sexual maturation underfed weight-matched rats critical body weight
2009/2/23
A popular current theory proposes that the timing of puberty is related to attainment of a critical level of body weight or body fatness. These critical body weight and critical body fat theories ha...
Validation of a Direct Radioimmunoassay for Testosterone in Unextracted Serum from Five Species: Application to Study of the Hypothalamic-Pituitary-Gonadal Axis in Males
direct radioimmunoassay serum testosterone luteinizing hormone releasing hormone immunoneutralization
2009/2/19
A method for the radioimmunoassay of serum testosterone that does not require extraction or chromatography is described. Utilization of a highly specific antiserum, tritiumlabeled ligand, and doub...
Cytokine levels in the seminal plasma of infertile males
Infertility semen cytokines human sperm urogenital infection
2009/2/16
Cytokines released by various cell subsets in the male urogenital tract are capable of markedly influencing sperm function and fertility. We determined the cytokine content in the seminal plasma o...
Capacitation in vitro of stallion spermatozoa：comparison of progesterone-induced acrosome reactions in fertile and subfertile males
Equine male gamete infertility acrosomal
2009/2/13
Mammalian sperm that have completed capacitation are capable of undergoing the acrosome reaction in response to a number of biological and chemical stimuli. In the present report, we have investig...
Molecular Study of（TG）m（T）n Polymorphisms in Iranian Males With Congenital Bilateral Absence of the Vas Deferens
CBAVD CFTR IVS8-5T male infertility
2008/12/24
Congenital bilateral absence of the vas deferens (CBAVD) is a frequent cause of obstructive azoospermia. Nearly 75% of men with CBAVD have at least 1 detectable common mutation in the cystic fibr...
Protamine Levels Vary Between Individual Sperm Cells of Infertile Human Males and Correlate With Viability and DNA Integrity
Spermatogenesis male fertility
2008/12/24
Sperm protamine deficiency has been associated with human male infertility. However, most studies have adopted a global approach to assessing sperm protamine levels. Thus, it is not known whether...
Detection of 90K/MAC-2BP in the Seminal Plasma of Infertile Males With Accessory Gland Infection and the Autoimmune Pathogenetic Hypothesis
Male infertility autoimmunity prostatitis quinolones
2008/12/24
The purpose of the study was to evaluate 90K/MAC-2BP, a glycoprotein member of the Scavenger Receptor Cystein Rich superfamily, in the seminal plasma of infertile male patients with male accessor...
Investigation, Treatment, and Monitoring of Late-Onset Hypogonadism in Males：ISA, ISSAM, and EAU Recommendations
Investigation Treatment Monitoring Late-Onset Hypogonadism Males
2008/12/23
Androgen deficiency in the aging male has become a topic of increasing interest and debate throughout the world. The demographics clearly demonstrate the increasing percentage of the population that i...
Males With Subnormal Hypo-Osmotic Swelling Test Scores Have Lower Pregnancy Rates Than Those With Normal Scores When Ovulation Induction and Timed Intercourse Is Used as a Treatment for Mild Problems With Sperm Count, Motility, or Morphology
Hypo-osmotic swelling test male infertility timed vaginal intercourse
2008/12/22
This study was designed to evaluate the effectiveness and clinical usefulness of the hypo-osmotic swelling (HOS) test in predicting successful conception in couples in which men with mild male-fac...
Evaluation of ICSI-Selected Epididymal Sperm Samples of Obstructive Azoospermic Males by the CKIA System
Sperm selection sperm normality chromatin condensation DNA stainability
2008/12/22
The objective of this study was to evaluate nuclear normality in intracytoplasmic sperm injection (ICSI)-selected epididymal sperm from obstructive azoospermic (OA) patients. We evaluated whether th...