Podcast
Questions and Answers
Which muscle is responsible for closing the lips and putting pressure on the labial glands?
Which muscle is responsible for closing the lips and putting pressure on the labial glands?
- Orbicularis oris (correct)
- Zygomaticus
- Platysma
- Buccinator
Which muscle attaches to the orbicularis oris rostrally?
Which muscle attaches to the orbicularis oris rostrally?
- Platysma
- M. incisivus (correct)
- Buccinator
- Zygomaticus
What is the function of the fibers on the inside of the nose of the orbicularis oris?
What is the function of the fibers on the inside of the nose of the orbicularis oris?
- Widen the diameter of the external nares
- Close the lips
- Pull the nose rostrally when sniffing (correct)
- Put pressure on the labial glands
Which blood vessel supplies the orbicularis oris?
Which blood vessel supplies the orbicularis oris?
Which muscle is the most noticeable near the larynx?
Which muscle is the most noticeable near the larynx?
Which muscle runs from the corner of the mouth into the lips?
Which muscle runs from the corner of the mouth into the lips?
What is the function of the orbicularis oris muscle?
What is the function of the orbicularis oris muscle?
Which blood vessel supplies the orbicularis oris muscle?
Which blood vessel supplies the orbicularis oris muscle?
Which muscle blends with the orbicularis oris muscle caudally?
Which muscle blends with the orbicularis oris muscle caudally?
What is the function of the fibers on the inside of the nose of the orbicularis oris muscle?
What is the function of the fibers on the inside of the nose of the orbicularis oris muscle?
Study Notes
Orbicularis Oris Muscle
- The orbicularis oris muscle is responsible for closing the lips and putting pressure on the labial glands.
- The buccinator muscle attaches to the orbicularis oris rostrally.
- The fibers on the inside of the nose of the orbicularis oris muscle compress the nasal cavity.
- The orbicularis oris muscle is supplied by the facial artery.
- The sternothyreoideus muscle is the most noticeable near the larynx.
- The buccinator muscle runs from the corner of the mouth into the lips.
- The orbicularis oris muscle compresses the lips, facilitates pronunciation, and helps in facial expressions.
- The facial artery supplies the orbicularis oris muscle.
- The platysma muscle blends with the orbicularis oris muscle caudally.
- The fibers on the inside of the nose of the orbicularis oris muscle help in compressing the nasal cavity.
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Description
Test your knowledge of the muscles of the neck and head with this quiz! Learn about the orbicularis oris and other muscles of the lips and cheeks. Challenge yourself to correctly identify and understand their functions.
