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

<table>Human fetus ST8 (105 mm GL; 14 weeks of development). Transversal section. Haematoxylin-eosin staining. The superficial musculoaponeurotic system (S) encloses the buccal branches of the facial nerve (BB). Bar: 2 mm.</table>

The Scientific World Journal

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Figure 6

Figure 6: Development of the Platysma Muscle and the Superficial Musculoaponeurotic System (Human Specimens at 8–17 Weeks of Development) 