Gonads from White Leghorn chick embryo of various ages ranging from 4 to 10 days of incubation, were fixed in half-strength Karnovsky's fixative, osmicated and embedded in Araldite. Thin sections were stained with urany] acetate and lead citrate. Our observations were especially concentrated on the germinal epithelium. Two cytological characteristics not previously described in embryonic chick ...

The effectiveness of testosterone (T) and 11-ketotestosterone (K) in inducing male-typical sex behaviors in goldfish was examined by implanting intact adult females with one empty (blank) Silastic implant (B females), one implant containing T or K, or one T and one K implant (T + K females). Behavior of the four female groups was compared to that of untreated males and males containing a blank ...

Analysis of 1989-96 General Social Survey data reveals the complex interplay of sexual orientation and gender in influencing earnings outcomes. Gay and bisexual men are shown to experience a 30-32% income disadvantage relative to heterosexual peers, while lesbian and bisexual women enjoy a wage premium of 17-23%. The disparate earnings effects of sexual orientation across genders belie facile a...

O estudo objetivou identificar a percepção de lésbicas e mulheres bissexuais universitárias quanto ao acesso aos serviços saúde o atendimento recebido. Trata-se uma pesquisa quali-quantitativa realizada on-line por meio do aplicativo google forms®, no período janeiro março 2020. tratamento dos dados das perguntas abertas foi realizado pela Análise Conteúdo, segundo Bardin. Os estatísticos foram...

One of the most bizarre acts of medical malpractice took place over a hundred years ago, and happens to be one of the best documented. This is because the two doctors involved – a surgeon and a physician – corresponded at length about it, and the physician’s letters have been preserved. The case has important lessons for doctors, because it contains so many elements that still put patients at r...

BACKGROUND Genital warts are one of the most common forms of sexually-transmitted disease, but their epidemiology has yet to be thoroughly elucidated. The present study was designed to shed light on the prevalence of clinically-confirmed, self-reported genital warts (GWs) in a representative sample of the university population. METHODS In 2015, a cross-sectional survey was conducted on 11,096...

Sexual activity has been shown to be the primary mode of transmission for several important viral and bacterial infections among men who have sex with men (MSM) throughout the world and therefore sexually transmitted infections (STIs) are still one of major public health problem worldwide. Since the earliest days of the human immunodeficiency virus (HIV) epidemic MSM have been profoundly affect...

OVER THE PAST 2 DECADES, THE LITERATURE ON THE health care needs of gay men and those who may not identify themselves as such, but are men who have sex with men (MSM), has been dominated by issues related to human immunodeficiency virus (HIV) prevention and care. This focus on HIV remains critically important; at least a quarter million MSM are living with HIV in the United States and approxima...

Sexual prejudice refers to negative attitudes toward an individual because of her or his sexual orientation. In this article, it is used to characterize heterosexuals’ negative attitudes toward (a) homosexual behavior; (b) people with a homosexual or bisexual orientation; and (c) communities of gay, lesbian, and bisexual people. Sexual prejudice is a preferable term to homophobia because it con...