About the hip. The top of your femur and part of your pelvic bone meet to form your hip. A broken hip is usually a fracture in the upper portion of your femur, or thigh bone. A joint is a point where two or more bones come together, and the hip is a ball-and-socket joint. The ball is the head of the femur and the socket is the curved part of the pelvic bone, called the acetabulum.
Definition of deuteragonist. 1  1 : the actor taking the part of second importance in a classical Greek drama. 2  2 : a person who serves as a foil to another.
[dÄpÅâ²lÉrÄ«zÄâ²shÉn] the reduction of a membrane potential to a less negative value. It is caused by the influx of cations, such as sodium and calcium, through ion channels in the membrane. In many neurons and muscle cells, depolarization may lead to an electric impulse called an action potential.