Ch.47 Guttural Pouch

Question 1

What separates the guttural pouches from each other

Answer 1

Midline by:W
rectus capitis ventralis
longus capitis
median septum

Question 2

Capacity of the guttural pouches

Answer 2

472 +/- 12ml
Lateral = 1/3 of medial

Question 3

Important structures along the caudal wall of the medial compartment of the gutteral pouch
a.
1. Internal carotid artery
2. Cranial cervical ganglion
3. Cervical sympathetic trunk
4. Vagus n. (X)
5. Glossopharyngeal n (IX)
6. Hypoglossal n. (XII)
7. Spinal accessory n (XI)

b.
1. Internal carotid artery
2. Cranial cervical ganglion
3. Cervical sympathetic trunk
4. Facial n. VII
5. Vagus n. (X)
6. Glossopharyngeal n (IX)
7. Pharyngeal br of vagus n

c.
1. Internal carotid artery
2. Cranial cervical ganglion
3. Cranial laryngeal n.
4. Vagus n. (X)
5. Glossopharyngeal n (IX)
6. Pharyngeal br of vagus n
7. Facial n. VII

d.
1. Internal carotid artery
2. Cranial cervical ganglion
3. Cervical sympathetic trunk
4. Vagus n. (X)
5. Glossopharyngeal n (IX)
6. Mandibular br of trigeminal n. V
7. Vestibulocochlear n VIII

Answer 3

a.
1. Internal carotid artery
2. Cranial cervical ganglion
3. Cervical sympathetic trunk
4. Vagus n. (X)
5. Glossopharyngeal n (IX)
6. Hypoglossal n. (XII)
7. Spinal accessory n (XI)

Question 4

Where are the cranial laryngeal nerve and pharyngeal branch of vagus nerve located

Answer 4

Along floor of medial compartment

Question 5

What is true regarding structures in the lateral compartment of the gutteral pouch

1. External carotid artery along wall
   Branches into caudal temporal
   & superficial auricular arteries
   & continues as the maxillary artery
   along the roof
2. External carotid artery along wall
   Branches into caudal auricular
   & superficial temporal arteries
   & continues as the maxillary artery
   along the roof
3. External carotid artery along wall
   Branches into caudal auricular
   & superficial temporal arteries
   & continues as the maxillary artery
   along floor
4. Internal carotid artery along wall
   Branches into caudal auricular
   & superficial temporal arteries
   & continues as the maxillary artery
   along the floor

Answer 5

1. External carotid artery along wall
   Branches into caudal auricular
   & superficial temporal arteries
   & continues as the maxillary artery
   along the roof
2. Facial nerve
3. Mandibular n. branch of Trigem (V)
   Along roof

Vestibulocochlear nerve (VIII) doesn’t enter pouch but becomes involved in guttural pouch disease that affect the middle ear

Question 6

What epithelium lines the guttural pouch

Answer 6

Pseudostratified ciliated epithelium containing goblet cells

Question 7

What immunoglobulins have been found in the guttural pouch

Answer 7

IgG
IgM
IgA

Question 8

Function of the openings to the guttural pouch are attributed to

Answer 8

Levator and tensor veli palatini
prterygopharyngeus and palatopharyngeus
accompanied by increased inspiratory pressure

Question 9

The guttural pouch fills when

Answer 9

Inspiration and eating