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Changing Emphases in Sexuality Education In U.S. Public Secondary Schools, 1988-1999
Sexuality Education U.S. Public Secondary Schools 1988-1999
2009/9/15
Context: Since the late 1980s, both the political context surrounding sexuality education and actual teaching approaches have changed considerably. However, little current national information has bee...
The changing profiles of L-ornithine decarboxylase and S-adenosyl-L-methionine decarboxylase activities in testicular cell types during sexual maturation of male rats
L-ornithine decarboxylase S-adenosyl-L-methionine testicular cell types
2009/2/23
To understand the involvement of polyamines in testicular maturation and spermatogenesis, the activity of two enzymes involved in the polyamine synthetic pathway, L-ornithine decarboxylase (ODC) a...
Changing relationships between testis size, Sertoli cell number and spermatogenesis in Sprague-Dawley rats
reproduction testes gametogenesis correlations
2009/2/6
Relationships between several reproductive characteristics were investigated in 25 Sprague-Dawley rats aged 60, 150, and 240 days (n = 75). Daily sperm production correlated with body weight (r = 0....
Sexuality, Human Rights, and Demographic Thinking: Connections and Disjunctions in a Changing World
human rights sexual rights health gender
2008/7/10
This paper documents the reframing at the start of the twenty-first century of the historical
debate on ethics and demography, both in terms of greater emphasis on individual rights, as
opposed to t...