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At the apex of the sulcus terminalis, a small pit called the _________. It is the remnant of the upper part of the ____________. Fill in the blanks by selecting the correct option.

 

Option: 1

Lingual frenulum and foramen caecum respectively

 


Option: 2

Filiform papillae and lingual tonsils respectively

 


Option: 3

Circumvallate papillae and thyroglossal duct respectively

 


Option: 4

Foramen caecum and thyroglossal duct respectively

 


Answers (1)

best_answer
 

At the apex of the sulcus terminalis, a small pit is seen. It is called the foramen caecum. It is the remnant of the upper part of the thyroglossal duct (site of thyroid gland origin). Hence, the correct answer is option d.

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Ritika Harsh

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