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6178 Anatomy

A 17-year-old male is examined by a physician, who notes a mass at the back of the young man’s tongue. The physician biopsies the mass, and the pathology repo comes back with a diagnosis of normal thyroid tissue. The occasional presence of such tissue at the back of the tongue is related to the embryonic origin of the thyroid near which of the following structures?

AFirst pharyngeal pouch
BForamen cecum
CNasolacrimal duct
DSecond pharyngeal arch
Anatomy
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