Sex differences in human physiology pelvis is, in general, different between the human female and male skeleton. It differs both in overall shape and structure. The female pelvis, adapted for gestation and childbirth, is less high, but proportionately wider and more circular than in the male; its sacrum—the triangular bone at the upper posterior of the pelvic cavity, serving as base of the spine—is also wider. The female pelvis is tilted anteriorly, often resulting in the more sway-backed appearance. In the female, the acetabula, the concave surfaces to which the balls of the femurs attach via ligaments, are located farther apart, which increases the distance
Ver sacrum Ver sacrum Ver sacrum ("sacred spring") is a religious practice of ancient Italic peoples, especially Sabines and their offshoot Samnites, concerning the deduction of colonies. It was of special interest to Georges Dumézil, according to whom the "ver sacrum" perpetuated prehistoric migration practices of Indo-Europeans to the end of the Iron Age and into the beginnings of history, when stable sedentary dwelling conditions had already become general. The practice consisted in a vow "(votum") to the god Mars of the generation of offspring born in the spring of the following year to humans or cattle. Among the Sabines, this was