5 Written questions
5 Matching questions
- Zygomaticus major
- Zygomaticus minor
- Depressor anguli oris
- Orbicularis oris
- a Draws angles of the mouth laterally; compresses cheek; used to create sucking action
- b from the mandible to insert into the anguli oris (triangularis)
- c muscle between zygomatic bone and corner of mouth; superior to zygomaticus major
- d draws mouth superior and lateral (smiling) zygomatic bone orbicularis orus and skin at angles of mouth
- e o: mandible and maxilla; i: skin and muscle around mouth; closes and protrudes lips
5 Multiple choice questions
- Located on cheek; muscle of chewing, closes the mandible. Assists in side-to-side movement of the mandible
- Also known an caninus, a muscle that raises the angle of the mouth and draws in inward.
- Muscle located beneath the frontalis and orbicularis oculi that draws the eyebrow inferiorly and medially as in frowning.
- elevates hyoid and depresses mandible
- the ring muscle of the eye socket, closes the eyelid
5 True/False questions
Platysma → the large muscle on the front of the neck
Occipitofrontalis → Located on cheek; muscle of chewing, closes the mandible. Assists in side-to-side movement of the mandible
Risorius → A small muscle superficial to the nasal bone and is active when an individual frowns. It arises from the nasal bone and the upper part of the lateral nasal cartilage and inserts into the skin over the lower part of the forehead between the eyebrows. It draws the medial border of the eyebrows downward to produce transverse wrinkles over the bridge of nose.
Depressor labii inferioris → Elevates and extend the upper lip
Masseter → Extends from the skin over the masseter to the corners of the mouth, draws corners of the mouth posteriorly