Recognition of mating partners is of central importance in the sexual processes. In consideration that the most important function of sexuality is to shuffle genetic materials to generate wider variation of characters, mating among different genetic backgrounds is preferable. Wild isolates of cellular slime mold Dictyostelium discoideum are predominantly heterothallic, but homothallic ones also...

abstractthe role of sexual – self schema and body imag on women sexual function introduction: the aime of the present study is to investigate the role of sexual self-schema and body image on sexual function of married female nurses....... method: statistical population of the present study consist of all married female nurses of tehran government hospitals. from which 200 individuals were selec...

OBJECTIVES Sexting (sending/receiving sexually explicit texts and images via cell phone) may be associated with sexual health consequences among adolescents. However, to date, no published data from a probability-based sample has examined associations between sexting and sexual activity. METHODS A probability sample of 1839 students was collected alongside the 2011 Youth Risk Behavior Survey ...

conclusions as vaginismus can affect the stability of marriage, it is necessary to assess sexual dysfunction from all directions, including demographic characteristics and variables that affect the incidence of vaginismus. therefore, based on the data obtained, we can diagnose and properly treat sexual dysfunction, in time, and teach couples how to deal with it. patients and methods this study ...

abstract background: sexual behaviors of adolescents and youth are categorized as one of the main health priorities of a society because of high prevalence of human immunodeficiency virus/acquired  immunodeficiency syndrome (hiv/aids), sexually transmitted infections (stis), and unwanted pregnancies. family is an important environment that is associated with a range of social and emotional beha...

the main disorder are due to sex chromosomal aberration comprising 2644(82.5%), cases ranging from 1211  klinefelter followed by 1025 turner  syndrome, 345 triple x, 49 double y and 14 cases of xx male. the second group consists 116 cases of gonadal dysgenesis bearing 0.042 risk of malignant transformation for xy gonadal dysgenesis. the 3rd group is hormonal defects consisting 29 cases of conge...

background: female sexual dysfunction (fsd) is a real problem that affects 25-63% of women. there is no valid persian version of sexual function questionnaire (fsq). objectives: the aim of this study was to test the reliability and validity of persian version of sexual function questionnaire. materials and methods: in this cross-sectional study, 547 women were questioned by persian version of s...

Sexual reproduction is essential for the maintenance of species in a wide variety of multicellular organisms, and even unicellular organisms that normally proliferate asexually possess a sexual cycle because of its contribution to increased genetic diversity. Information concerning the molecules involved in fertilization is accumulating for many species of the metazoan, plant, and fungal lineag...