Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > Muscles of mastication > Flashcards

Muscles of mastication Flashcards

1
Q

What is the purpose of the muscles of mastication

A

To allow chewing movements and mouth closing to occur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the muscles of mastication made up of?

A

4 muscles which connect the face and the cranium together
1. Temporalis
2. Masseter
3. Medial pterygoid
4. Lateral pterygoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which nerve supplies the muscles of mastication?

A

Trigeminal nerve (V)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the point of origin of the temporalis?

A

Temporal bone of the cranium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the point of insertion of the temporalis?

A

Coronoid process of the mandible passing under the zygomatic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the muscles of mastication is situated at the temporal bone of the cranium?

A

Temporalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the action of the temporalis?

A

Pulls the mandible backwards and closed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which of the muscles of mastication are accountable for the closing of the mouth?

A

Temporalis, masseter and medial pterygoid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the point of origin of the masseter?

A

Outer surface of the zygomatic arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the point of insertion of the masseter?

A

Outer surface of the mandibular ramus and angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is the action of the masseter?

A

Closes the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Which of the muscles of mastication are situated on the outer surface of the zygomatic arch?

A

Masseter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the point of origin of the lateral pterygoid?

A

Lateral pterygoid plate at the base of the cranium behind the maxillary tuberosity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is tuberosity?

A

The hard part of the gum after the 8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the point of insertion for the lateral pterygoid?

A

Head of the mandibular condoyle and into the TMJ meniscus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is the action of the lateral pterygoid?

A

Both contracting brings the mandible forward to bite the anterior teeth tip to tp, one contracting pulls the mandible to the opposite side

17
Q

Which of the muscles of mastication is accountable for moving the mandible from side to side?

A

Lateral pterygoid

18
Q

What is the point of origin of the medial pterygoid?

A

medial pterygoid plate at the base of the cranium just behind the tuberosity and closer to the midline than the lateral plate

19
Q

Which of the Pterygoid plates are close to the midline?

A

Medial pterygoid

20
Q

Which of the pterygoid plates are furthest away from he midline?

A

Lateral pterygoid

21
Q

What is the point of insertion of the medial pterygoid?

A

Inner surface of mandibular ramus and angle

22
Q

What is the action of the medial pterygoid?

A

Closes the mandible

Anatomy (5 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions