Muscles of the face

Question 1

Orbicularis Oculi: orbital part

Answer 1

Originate from the nasal part of the frontal bone and the axilla.

innervation: facial nerve

action; forceful closure of the eyelid

Question 2

Orbicularis Oculi: the palpebral part

Answer 2

originate from the medial palpebral ligament to insert on the lateral palpebral raphe.

action: gentle closure of the eyelid

facial nerve

Question 2

Orbicularis Oculi: the palpebral part

Answer 2

originate from the medial palpebral ligament to insert on the lateral palpebral raphe.

action: gentle closure of the eyelid

facial nerve

Question 3

Levetor palpebrae superior

Answer 3

Originate from the posterior aspect of the roof of the supraorbital ridge.

to insert on the anterior aspect of the tarsus superior

oculomotor nerve

raise the eyelid.

Question 4

corrugator supercilli muscle

Answer 4

from the medial end of orbital ridge to the skin of the eyebrows
facial nerve

Question 5

Occipitofrontalis

Answer 5

Anterior belly
from the skin of the eyebrows to the geleal aponeurosis
facial nerve
wrinkle and raising the eyebrows.

posterior belly
from the lateral aspects of the superior nuchal line and the mastoid process of the temporal bone

draws the head posteriorly.

Question 6

Pecerus muscle

Answer 6

Originate from the nasal bone and the upper lateral nasal cartilage.
facial nerve

draws the medial angle of the eyebrows

Question 7

the Orbicularis Oris

Answer 7

Originate from the surrounding muscle of the maxilla and mandible

To form an ellipse around the mouth

facial nerve

protrude and closes the mouth

Question 8

Levater labii superioris alaeque nasi

Answer 8

Originate from the frontal process of the nase

to the insert on the alar cartilage of the nose and upper lip

action: opens the mouth and raise the lip

facial nerve

Question 9

Zygomaticus Major

Answer 9

Originate from the lateral surface of the zygomatic bone posterior

to insert in the skin on the corner of the mouth

facial nerve

draws the upper lip upward and laterally

Question 10

Zygomaticus minor

Answer 10

Originate from the lateral surface zygomatic bone anteriorly

to insert on the upper lip just medially to the corner of the mouth

action: draws the upper lip upwards

Question 11

Levater labii superioris

Answer 11

Originate from the infraorbital margin of the maxilla.

to insert on the superolateral halfof the upper lip

Raises the upper lip

Facial nerve

Question 12

Levator anguli oris

Answer 12

Originate from the maxilla the inferior to infraorbital foramen

to insert on the skin at the corner of the mouth

facial nerve

raise the upper lip

Question 13

Risorius Muscle

Answer 13

Originate from the fascia over the masseter muscle.

insert on the skin at the corner of the mouth.

Retract the corner of the mouth.

Facial nerve

Question 14

Depresser anguli oris

Answer 14

Originate from the mandible below the canine, 1premolar and the 1st molar

to insert on the skin at the corner of the mouth

draws the skin inferiorly and laterally.

facial nerve

Question 15

Mentalis

Answer 15

Originate from the Mandible, inferior to incisors to insert on the skin of the chin.

protrude and raise the lower lip
facial nerve

Question 16

depressor labii superioris

Answer 16

Originate from the anterior part of the oblique line of the mandible
To insert midline of the lower lip

draws the lip inferiorly and lateraly

Question 17

The facial vein

Answer 17

Originates at the corner of the orbit
- As the supratrochlear and supra-orbital veins
They converge to form the Angular vein
Descends on the face to become the facial vein
It descends until the inferior border of the mandible
- Parts with the artery, to drain into the
Internal Jugular Vein

Question 18

Buccinatr muscle

Answer 18

From the posterior part of the maxilla and the mandible
pterygomandibular raphes

to blend with the orbicularis oris muscle

pressess the cheeks against the teeth

Question 19

The lateral ptetygoid muscle

Answer 19

Origin:
from the roof of the infratemporal fossa
medial aspect of the lateral pterygoid plate.

to insert into the capsule of the temporomandibular joint
pterygoid fossa of neck of the mandible.

nerve to lateral pterygoid

Question 20

medial pterygoid muscle

Answer 20

originate from the medial aspect of the lateral pterygoid plate.
tuberosity of the maxilla and palatine bone

insert on the medial surface of the mandible.

nerve to medial pterygoid

Question 21

Masseter muscle

Answer 21

originate from the zygomatic arch and the maxillary process

to insert on the inferior surface of the ramus of the mandible

elevate the mandi