Orbital group

Question 1

What are the 2 muscles of the orbital group?

Answer 1

Orbicularis oculi and corrugator supercilli.

Question 2

What is the origin of orbicularis oculi — palpebral part?

Answer 2

Medial palpebral ligament.

Question 3

What is the insertion of orbicularis oculi — palpebral head?

Answer 3

Lateral palpebral raphe.

Question 4

What innervates the nerves of the face?

Answer 4

The 7th cranial nerve.

Question 5

What is the origin of orbicularis oculi — orbital part?

Answer 5

Nasal part of frontal bone, medial palpebral ligament, frontal process of maxilla.

Question 6

What is the insertion of orbicularis oculis — orbital part?

Answer 6

It creates an uninterrupted cylinder over the orbita.

Question 7

What is the origin of corrugator supercilli?

Answer 7

Medial end of superciliary arch.

Question 8

What is the insertion of corrugator supercilli?

Answer 8

Medial part of eyebrow skin.

Question 9

What is the function of corrugator supercilli?

Answer 9

Brings eyebrows medially and downward.

Question 10

What is the function of orbicularis oculi?

Answer 10

Closes eyes, the palpebral one gently, the orbital one forcefully.