搜索结果: 1-5 共查到“性科学 ACTIVE”相关记录5条 . 查询时间(0.067 秒)
Adolescents and HIV-related behaviour in Nigeria: does knowledge of HIV/AIDS promote protective sexual behaviour among sexually active adolescents?
HIV/AIDS Knowledge Sexual behaviour
2015/7/24
HIV/AIDS prevalence among Nigerian youth remains one of the highest in the world. Although studies confirmed a high knowledge of HIV among Nigerian youth, there is a lag in linking HIV/AIDS knowledge ...
Heterosexually Active Men's Beliefs About Methods for Preventing Sexually Transmitted Diseases
Heterosexually Active Men Sexually Transmitted Diseases
2009/9/17
CONTEXT: Most research on heterosexual transmission of HIV and other sexually transmitted diseases (STDs) has focused on women. However, heterosexual transmission of STDs cannot be prevented without a...
Legal and Ethical Considerations in Research With Sexually Active Adolescents：The Requirement to Report Statutory Rape
Sexually Active Adolescents minor sexual intercourse Statutory Rape
2009/9/17
Encouraged by congressional action, state legislators in the mid-1990s began strengthening and enforcing statutory rape laws in an effort to lower teenage pregnancy rates and welfare costs. One approa...
Rat testicular germ cells and epididymal sperm contain active P450 aromatase
Estrogen testis epididymis
2009/2/17
Although testosterone is the principal sex steroid produced by the testis, estrogen is known to be produced by both Leydig and Sertoli cells during different developmental periods. Additionally, evide...
Mouse epididymal sperm contain active P450 aromatase which decreases as sperm traverse the epididymis
Spermatozoa estrogen efferent ductules cytoplasmic droplet testicular excurrent ducts
2009/2/16
Recently we reported that mouse germ cells in the testis contain active P450 aromatase (P450arom), the enzyme that converts androgens to estrogens. This finding suggested that germ cells have the ...