The Smiling Muscle Is the

question 90

Multiple Choice

The smiling muscle is the

• A)buccinator.
• B)zygomaticus.
• C)frontalis.
• D)orbicularis oris.

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Definitions:

Caudal

Relating to the tail or posterior part of the body.

Axillary Border

The edge of the scapula closest to the armpit, significant in anatomy for muscle attachment.

Infraspinatus

A thick triangular muscle located on the back of the shoulder blade (scapula) which is responsible for the lateral rotation of the arm at the shoulder.

Teres Major

A muscle of the upper limb that acts on the shoulder joint, assisting in the rotation and adduction of the arm.