Froedtert Hospital has been named a 2017 Leader in LGBTQ Healthcare Equality by the Human Rights Campaign Foundation, the educational arm of the country's largest lesbian, gay, bisexual, transgender and questioning/queer civil rights organization.
Indeed, the data presented here confirm that dude is an address term that is used mostly by young men to address other young men; however, its use has expanded so that it is now used as a general address term for a group (same or mixed gender), and by and to women.
Sex = male and female. Gender = masculine and feminine. So in essence: Sex refers to biological differences; chromosomes, hormonal profiles, internal and external sex organs. Gender describes the characteristics that a society or culture delineates as masculine or feminine. So while your sex as male or female is a biological fact that is the same in any culture, what that sex means in terms of your gender role as a 'man' or a 'woman' in society can be quite different cross culturally.