Carotid sheath (dave's notes) Flashcards

1
Q

Describe the location of the carotid sheath in the head

A

Lies in contact with the prevertebral fascia, lying on the side wall of the pharynx

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2
Q

What is lateral to the carotid sheath in the head?

A

The three muscles of the styloid apparatus slope down

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3
Q

Give the upper and lower margins of the carotid sheath

A

Extends from the aortic arch to the margin of the carotid canal and parotid fascia

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4
Q

What does the upper part of the carotid sheath contain?

A

Internal carotid artery, internal jugular vein, the last four cranial nerves

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5
Q

What lies medial to the upper part of the carotid sheath?

A

The pharynx

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6
Q

What lies lateral to the upper part of the carotid sheath?

A

The parotid gland and styloid process (3 muscles slope downwards and forwards)

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7
Q

What lies behind the upper part of the carotid sheath?

A

The cervical sympathetic chain, on the prevertebral fascia

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8
Q

What passes between the external carotid artery and the internal carotid artery?

A
Styloid process
Styloid ligament
Styloglossus
Stylopharyngeus
Glossopharyngeal nerve (with a branch to stylopharyngeus) and its pharyngeal branch
Pharyngeal branch of the vagus
(+/- branchial fistula tract)
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9
Q

What passes superficially to the carotid sheath?

A

Stylohyoid, posterior belly of digastric, and at a lower level the hypoglossal nerve

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10
Q

What passes deep to both (? the internal and external carotid?)

A

Superior laryngeal nerve; two branches, internal and external

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