Auer Ch 46 Guttural Pouch P1

Front 1

What is the GP?

Back 1

extension of the Eustachian or auditory tube that connects the middle ear to the pharynx

Front 2

What is the medial border of the GP?

Back 2

paired pouches are separated by a median septum of mucous membrane, which is ventral to the longus capitus and the rectus capitus ventralis muscles

Front 3

The rostral border of the GP:

Back 3

basisphenoid bone

Front 4

The ventral border of the GP:

Back 4

pharynx, retropharyngeal LN, and the esophagus

Front 5

The caudal border of the GP:

Back 5

atlantooccipital joint

Front 6

The lateral border of the GP:

Back 6

digastricus muscles and the parotid and mandibular salivary glands

Front 7

The dorsal border of the GP:

Back 7

petrous part of the temporal bone, tympanic bulla, and auditory meatus

Front 8

What structures are on the caudal wall of the GP?

Back 8

internal carotid artery, the cranial cervical ganglion, the cervical sympathetic trunk, the vagus nerve, the glossopharyngeal nerve, the hypogossal nerve, and the accessory spinal nerve

Front 9

What structures are under the mucosa of the ventral floor of the medial compartment?

Back 9

cranial laryngeal nerve and the pharyngeal branch of the vagus nerve

Front 10

What structures are located in the lateral wall of the lateral compartment?

Back 10

external carotid artery, its branches, the caudal auricular artery, and the superficial temporal artery

Front 11

What structures are on the dorsal aspect of the lateral compartment?

Back 11

maxillary artery, CN7 (facial) is located in the caudal dorsal aspect, mandibular nerve, a branch of the trigeminal nerve, travels rostrally

Front 12

What structure can also be affected by GP diseases that affect the facial nerve?

Back 12

vestibulocochlear nerve (VIII) does not enter the GP, but is closely related to the facial nerve

Front 13

Cellular composition of The mucous membrane of the GP:

Back 13

pseudostratisfied ciliated epithelium which have goblet cells

Front 14

What muscles open the pharyngeal orifice?

Back 14

TVP, LVP, palatopharyngeus, and pterygopharyngeus muscles open the pharyngeal orifice to the GP

Front 15

What is involved with opening/ expanding the auditory tube?

Back 15

increased inspiratory pressure as well as the stylopharyngeus and pterygopharyngeus muscles

Front 16

Back 16

Front 17

Back 17

Front 18

Back 18

Front 19

Back 19

Front 20

Back 20

Front 21

Back 21

Front 22

Back 22