The smooth part of the frontal bone between the superciliary arches in the midline is the

Answer;

-Glabella

The smooth part of the frontal bone between the superciliary arches in the midline is the glabella.

Explanation;

-The frontal bone is a bowl-shaped bone in the frontal (forehead) region of the skull. It is located superior to the nasal bones and maxillae and anterior to the parietal bones.

-Medial to the supraorbital ridges is the glabella, a small depression that ends inferiorly at the nasal bones. Superior to the glabella and supraorbital ridges is the squamous region, where the frontal bone is smooth and slopes posteriorly toward the partietal bones.

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