Question
The muscle represented by black arrow in the picture below originates from?
A. Mental spine of the mandible.
B. The side of the body and the whole length of the greater cornu of the hyoid bone.
C. Both of the above.
D. None of the above.
Show Answer
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Correct Answer » A
Explanation
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Ans;A. Mental spine of mandible
The black arrow in the above picture represents Genioglossus muscle.
- Genioglossus is the fan-shaped extrinsic tongue muscle that forms the majority of the body of the tongue.
- Its arises from the mental spine of the mandible and its insertions are the hyoid bone and the bottom of the tongue.
- Innervated by the hypoglossal nerve, the genioglossus depresses and protrudes the tongue.
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