Brainscape's Knowledge GenomeTM

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


See full index

Anatomy > The Pharyngeal Arches > Flashcards

The Pharyngeal Arches Flashcards

1
Q

What are the pharyngeal pouches?

A

Outpouchings in lateral wall of pharynx

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

Which structures separate the pharyngeal arches?

A

Pharyngeal pouches on internal (endodermal) surface

Pharyngeal clefts on external (ectodermal) surface

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

What structure arises from the first pharyngeal cleft?

A

External auditory meatus

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

What structures arise from the second, third, and fourth pharyngeal clefts?

A

Temporary cervical sinuses

Obliterated by proliferating second pharyngeal arch

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

Which pharyngeal arch regresses soon after forming?

A

Fifth

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

What bones does the maxillary prominence become?

A

Maxilla
Zygomatic bone
Part of temporal bone

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

With which cartilage is the maxillary prominence associated, and to what does it give rise?

A

Maxillary cartilage

Gives rise to incus

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

What bone does the mandibular prominence become?

A

Mandible

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

With which cartilage is the mandibular prominence associated, and to what does it give rise?

A

Meckel’s cartilage
Gives rise to
- Malleus
- Sphenomandibular ligament

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

Into what does the artery of the first pharyngeal arch become?

A

Terminal portion of maxillary artery

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

What cranial nerve is associated with the first pharyngeal arch?

A

CN V

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

Which muscles are derived from the first pharyngeal arch?

A 
Muscles of mastication
Mylohyoid
Anterior belly of digastric
Tensor veli palatani
Tensor tympani
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the sensory field of the first pharyngeal arch?

A

Skin of face
Lining of mouth and nose
General sensation to anterior 2/3 of tongue

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

What two arteries are associated with the second pharyngeal arch?

A

Stapedial artery

Hyoid artery

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

What is the function of the stapedial artery?

A 
Connects embryonic precursors of 
- Internal carotid artery
- Internal maxillary artery
- Middle meningeal artery
Regresses before birth
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What artery is derived from the hyoid artery?

A

Corticotympanic artery

17
Q

What is the cartilage associated with the second pharyngeal arch, and to what does it give rise?

A 
Reichart's cartilage
Gives rise to
- Stapes
- Styloid process
- Stylohyoid ligament
- Upper body and lesser horn of hyoid bone
18
Q

What cranial nerve is associated with the second pharyngeal arch?

A

CN VII

19
Q

Which muscles are derived from the second pharyngeal arch?

A 
Muscles of facial expression
Stapedius
Stylohyoid
Platysma
Posterior belly of digastric
20
Q

What is the sensory field of the second pharyngeal arch?

A

Taste sensation to anterior 2/3 of tongue

21
Q

Into what does the artery associated with the third pharyngeal arch become?

A

Common carotid artery

Proximal portion of internal carotid artery

22
Q

To what does the cartilaginous component of the third pharyngeal arch give rise?

A

Lower body and greater horn of hyoid

23
Q

With which cranial nerve is the third pharyngeal arch associated?

A

CN IX

24
Q

What muscles are derived from the third pharyngeal arch?

A

Stylopharyngeus

25
Q

What is the sensory field of the third pharyngeal arch?

A

Taste and general sensation to posterior 1/3 of tongue

26
Q

What are the vascular derivatives of the fourth pharyngeal arch?

A

Right - proximal portion of subclavian artery

Left - aortic arch

27
Q

What cartilaginous structures are derived from the fourth pharyngeal arch?

A

Laryngeal cartilages

  • Thyroid
  • Corniculate
  • Cuneiform
28
Q

What cranial nerve is associated with the fourth pharyngeal arch?

A

Superior laryngeal branch of CN X

29
Q

What are the muscular derivatives of the fourth pharyngeal arch?

A

Constrictors of pharynx
Levator palatani
Cricothyroid

30
Q

What is the sensory field of the fourth pharyngeal arch?

A

Root of tongue

31
Q

What are the vascular derivatives of the sixth pharyngeal arch?

A

Right - proximal portion of pulmonary arteries

Left - ductus arteriosus

32
Q

What cranial nerve is associated with the sixth pharyngeal arch?

A

Recurrent laryngeal branch of CN X

33
Q

What muscles are derived from the sixth pharyngeal arch?

A

Intrinsic muscles of larynx, except cricothyroid

34
Q

What is the sensory field of the sixth pharyngeal arch?

A 
Taste sensation from
- Epiglottis
- Pharynx
General sensation in
- Pharynx
- Larynx
- Oesophagus
- Tympanic membrane
- External auditory meatus
- Part of external ear
35
Q

What is derived from the first pharyngeal pouch?

A

Eustachian tube

Middle ear cavity

36
Q

What is derived from the second pharyngeal pouch?

A

Lining of palatine tonsils

37
Q

What is derived from the third pharyngeal pouch?

A

Dorsal - inferior parathyroid glands

Ventral - thymus

38
Q

What is derived from the fourth pharyngeal pouch?

A

Dorsal - superior parathyroid glands

Ventral - ultimobranchial body (C cells)

Anatomy (30 decks)

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