Includes material from the fields of geology, oceanography, meteorology and astronomy through which we examine the physical laws and natural processes that have helped to shape and change Earth and the universe around it.
Although technically not part of the thigh, the patella, or kneecap, is included in this region as well. Figure 9: Right femur, anterior and posterior views A. Femur Landmarks / Markings : ï· Head: Rounded region at the proximal end of the femur; articulates with the acetabulum of the os coxa.
The two lateral projections of the sacrum are called the alae (wings), and articulate with the ilium at the L-shaped sacroiliac joints. The upper part of the sacrum connects with the last lumbar vertebra, and its lower part with the coccyx (tailbone) via the sacral and coccygeal cornua. The sacrum has three different surfaces which are shaped to accommodate surrounding pelvic structures. Overall it is concave (curved upon itself).