Question

When you wrinkle your eyebrows together as you concentrate on your quiz in class, the muscle that is pulling the eyebrows together and creating the vertical wrinkle around the nose is the?

Answer 1

The corrugator supercilii is a small, narrow, pyramidal muscle close to the eye. It is located at the medial end of the eyebrow, beneath the frontalis and just above orbicularis oculi muscle. ... The name corrugator supercilii is Latin, meaning wrinkler of the eyebrows.
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Answer 2

Procer muscle also called pyramidal muscle of the nose, is located towards the nasal bone. It is the muscle that moves when the frown is frowned, this movement creates transverse wrinkles superior to the bridge of the nose, the hero pulls the medial margin of the lower eyebrows.

It helps create facial expression of anger and concentration.