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Laboratory 25. Anterior Triangle of the Neck
Step 1. The Anterior Triangle

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Identify the boundaries of the anterior triangle.
The anterior triangle (Figure 25.1) is further divided into a suprahyroid region that consists of a unpaired submental triangle and paired submandibular triangle, and an infrahyroid region that consists of a paired muscular triangles and, (step 5), paired carotid triangles, (step 3).