The Female Nude is kind of a style or genre in and of itself, following specific visual guidelines and cues. It can be seen in Western art history from as early as around the 15th century onwards, up until around the end of the 19th century.
Often with there was a nude in a painting it became the central figure or the only subject.
Women and painting are coupled with each other from the dawn of the art throughout the world. The enigma and charm of woman has always remained the most depicted thing in art from the very dawn of history.