Development of the Platysma Muscle and the Superficial Musculoaponeurotic System (Human Specimens at 8–17 Weeks of Development)

<table>Human fetus B606 (40 mm GL; 9 weeks of development). Frontal section. Haematoxylin-eosin staining. The platysma muscle (PL) is continuous with the superficial musculoaponeurotic system (S). Bar: 200 <i>μ</i>m.</table>

The Scientific World Journal

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Figure 4

Figure 4: Development of the Platysma Muscle and the Superficial Musculoaponeurotic System (Human Specimens at 8–17 Weeks of Development) 