نتایج جستجو برای: sex control
تعداد نتایج: 1507436 فیلتر نتایج به سال:
Worldwide epidemic had a specific role on human health and economic; Corona, for example, as huge pandemic an expand effect health, social relation, economic, politic environment with severe respiratory disorder high mortality rate in the world. Due to importance of SARS-Cov-2, present paper deals route transmission, their relation sex, prevention control. Research shows that sex-linked immunol...
Background and Aim: Sex education is an important health issue among adolescents. Mothers are the most reliable source of information for adolescents’ sex education so they should be equipped with proper knowledge, attitude, and practice to be able to educate their children properly. The present study aimed to investigate the effect of group education on knowledge, attitude and practice of moth...
Inclusive fitness theory predicts that sex investment ratios in eusocial Hymenoptera are a function of the relatedness asymmetry (relative relatedness to females and males) of the individuals controlling sex allocation. In monogynous ants (with one queen per colony), assuming worker control, the theory therefore predicts female-biased sex investment ratios, as found in natural populations. Rece...
toxic effects of trace elements upon the hypothalamic- pituitarytesticular axis and sex hormones have been reported in recent years. it is generally considered that cdcl2 poisoning causes histopathological changes in the testicles of male rats. little attention had been drawn to the possible toxic effects of cdcl2 on the ovary and female sex hormones. the purpose of the present study was to det...
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