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

<table>Human fetus B503 (48 mm GL; 10 weeks of development). Frontal section. Haematoxylin-eosin staining. The anlage of superficial musculoaponeurotic system (S) is not continuous with the anlage of the superficial layer of the temporal fascia (SF). Bar: 1 mm.</table>

The Scientific World Journal

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Figure 5

Figure 5: Development of the Platysma Muscle and the Superficial Musculoaponeurotic System (Human Specimens at 8–17 Weeks of Development) 