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Head and Neck Anatomy Midterm > Superficial Face > Flashcards

Superficial Face Flashcards

1
Q

How many pairs of spinal nerves are there?

A

31

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2
Q

12 pairs of CN- Most in head only, a few in neck and Vagus travels to _____ and _____.

A

Thorax and abdomen

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3
Q

Special Senses vision, hearing, equilibrium, smell taste is exclusive only to _____ nerves.

A

Cranial nerves

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4
Q
  1. Facial features provides _____
  2. Allows _____
  3. The shape is determined by the underlying _____
  4. Changes with age- loss of ___, forms ___
A
  1. Identity
  2. Communication
  3. Bones
  4. Fat, wrinkles
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5
Q

What are the openings of facial features? These same areas are continuous with the mucous membrane.

A

Nostrils, palpebral fissure, oral fissure.

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6
Q

Muscles of facial expression (superficial) are within subcutaneous tissue of _____ and _____ scalp, face and neck.

A

Anterior and posterior

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7
Q

_____ and _____ around each orifice.

A

Sphincter and dilators

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8
Q

What is innervation to all the muscles of facial expression?

A

CN VII Facial

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9
Q

Muscles of mastication is innervated by?

A

Mandibular Division (V3) of CN V Trigeminal

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10
Q

Muscles of facial expression are developed from ___ branchial arch which is also called _____.

A

2nd; branchiomotor

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11
Q

The numerous muscles of facial expression originate from bones of the facial skeleton and insert onto the ___ of the face.

A

skin

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12
Q

Muscles of facial expression show much variation in terms of their _____ and their overall _____.

A

relation; development

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13
Q

These muscles atrophy with age, therefore age has a significant effect on how these muscles will _____.

A

appear

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14
Q

Muscles of facial expression form a _____ covering the facial skeleton

A

blanket

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15
Q

Muscles of facial expression act together in groups because their fibers _____, they work together to alter the size or shape of the face.

A

Interlace

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16
Q

Many of the Muscles of facial expression insert together at a central point at the corner of the mouth known as the _____.

A

Modiolus

17
Q

What are the 3 parts to oribicularis oculi m. and functions?

A
  1. Orbital portion: Close the eye tightly
  2. Palpebral portion: Close eyes slightly, blinking.
  3. Lacrimal portion: To squeeze the lacrimal duct
18
Q

What is the function of orbicularis oris m.?

A

Close the mouth and pucker/purse the lips (Kissing muscles)

19
Q 
Which muscle:
• originates inferior to the
eye (maxilla)
• inserts in the upper lip
• functions to raise the
upper lip
• Partially overlies the
levator anguli oris
A

Levator Labii Superioris

20
Q 
Which muscle: 
• located just lateral to the nose
• inserting into the upper lip
• functions to elevate the
upper lip and opens (flares) the nostril
A

Levator Labii Superioris Alaeque- Nasi thin muscle

21
Q

Levator Labii Superioris and Levator Labii Superioris Alaeque- Nasi muscles are the _____ of the upper lip.

A

Elevators

22
Q 
Which muscle: 
• originates below the eye
(canine fossa of maxilla).
• inserts into the angle of
the mouth (modiolus).
• functions to elevate the
corner of the mouth.
• deep to Zygomaticus
muscles.
A

Levator anguli oris

23
Q

Which muscle:
• originates from the inferior aspect of the body of the mandible.
• Inserts into the angle of the mouth (modiolus).
• functions to move the
angle of the mouth
inferiorly (frowning).
• assisted by posterior fibers of the Platysma.

A

Depressor anguli oris

24
Q

Which muscle:
•originates from themandible, lateral to the mentalis muscle.
•Inserts into the lower lip (merging with orbicularis oris muscle).
• functions to depress the
lower lip.
• also draws the lower lip
slightly laterally.

A

Depressor labii inferioris

25
Q 
Which muscle:
• originates from the mental
protuberance of the
mandible.
• Inserts into the skin of the
chin (mentolabial sulcus).
• functions to elevate and
protrude the lower lip and
elevates the skin of the
chin (pouting).
A

Mentalis

26
Q

Depressor labii inferioris and Mentalis both are the _____ of the lower lip.

A

Depressors

27
Q

What is the O., I. , and Action of Zygomaticus major muscle?

A
  • originates from lateral aspect of zygomatic bone.
  • inserts into the corner of the mouth (modiolus).
  • functions to draw the corner of the mouth superiorlaterally (smile).
28
Q

What is the O., I. , and Action of Zygomaticus minor muscle?

A 
• originates from zygomatic
bone (medial to
zygomaticus major).
•   Inserts into the skin of the
upper lip and the I
orbicularis oris muscle.
• functions to raise the upper lip (contempt).
• Also functions to deepen the nasolabial sulcus (sadness).
29
Q

Which muscle:
• originates from fascia
aponeurosis covering nasal bone and lateral nasal lateral nasal cartilage.
• inserts into the skin of the inferior forehead between the eyebrows.
• functions to depress medial end of eyebrows and wrinkle skin over dorsum of nose (dislike or disdain).

A

Procerus

30
Q 
Which muscle:
• Originates from superior
portion of canine ridge of
maxilla.
• Inserts in skin over nasal
cartilages.
• functions to draw the ala
(sides) of nose medially towards the septum (close the nostril).
A

Nasalis (Compressor naris)

31
Q

What is the O., I. , and Action of Risorius muscle?

A

• originates from Parotid
fascia and skin over buccal
area – extremely superficial.
• inserts into the corner of the mouth (modiolus).
• functions to widen the
orifice of the mouth (grinning or grimacing).

32
Q

What muscle:
• Originates from mandible,
alveolar processes of maxilla and mandible, and the pterygomanidibular raphe.
• Inserts into the angle of the mouth (modiolus) and the orbicularis oris.
• functions to press the cheek against molars; resists distension (when blowing), and keeps the cheek taut (smiling).
• Deeper plane than other muscles of facial expression.

A

Buccinator

33
Q

What muscle:
• originates from
subcutaneous tissue of infraclavicular and supraclavicular regions.
• inserts into the base of the mandible, skin of cheek and lower lip.
• functions to depress mandible and tense skin over neck (shaving).

A

Platysma

34
Q

What muscle:
• Frontal: Originates from epicranial aponeurosis and inserts Fin skin of forehead and eyebrows. Functions to elevate brow and wrinkle skin of forehead
(surpris
• Occipital: originates from
superior nuchal line and inserts into epecranial aponeurosis. Functions to retract scalp; increase tension on frontalis belly.

A

Occipitofrontalis

35
Q 
What muscle:
• originates from medial
end of superciliary arch.
• inserts into skin superior to middle of supraorbital
margin and supercilliary
arch.
• functions to draw
eyebrows medially and inferiorly (worry or concern).
A

Corrugator supercilii (“The look”)

Head and Neck Anatomy Midterm (5 decks)

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