By contrast , portrayals of the vulva in pornography and in biomedical science are characterized as stylized and uniform , excluding women whose genitalia do not match their models ; pornographic portrayals are further characterized as commodified , and medical portrayals as sterile .
By contrast , portrayals of the vulva in pornography and in biomedical science are characterized as stylized and uniform , excluding women whose genitalia do not match their models . 
 Pornographic portrayals are further characterized as commodified , and medical portrayals as sterile .