FIGURE 7.5. The femoral nerve (n) lies lateral to the femoral artery (a) and vein (v). The relationship of the anterior portal as it pierces the sartorius is shown. (Reprinted with permission from Byrd et al.13)

sule at its anterior margin (Figure 7.7). The structure of most significance relative to this portal is the superior gluteal nerve (Figure 7.8). After exiting the sciatic notch, the superior gluteal nerve courses transversely posterior to anterior across the deep surface of the gluteus medius. Its relationship is the same with both the lateral portals, with an average distance of 4.4 cm.

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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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