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Gross Anatomy Exam 3 > Arteries > Flashcards

Arteries Flashcards

1
Q

Vertebral artery

A

Courses superior to posterior arch of C1, angling from transverse foramen to foramen magnum

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2
Q

Vertbrobasilar insufficiency

A

Atheroscerosis narrows vertebral and basilar arteries
Vertebral artery subject to additional reduction in bloodflow bc of the angle
Dizziness, blurred vision, loss of balance, nausea (similar to vertigo)
Test: pt in supine, extension, sidebending, rotation

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3
Q

Internal carotid artery is ________ to the external carotid artery

A

Posterior

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4
Q

Carotid sinus

A

Dilated area at the most proximal part of the internal carotid artery
Has baroreceptors for the regulation of arterial blood pressure

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5
Q

Carotid body

A

On the deep side of the bifurcation of the common carotid artery into external/internal carotid
Chemoreceptors for regulation of blood oxygen

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6
Q

What nerve innervates the carotid sinus and the carotid body?

A

Glossopharyngeal nerve (CN IX)

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7
Q

Internal carotid artery

A

Travels up through the floor of the skull to supply blood to the brain

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8
Q

Collateral branches of external carotid artery

A 
Superior thyroid
Facial
Lingual
Ascending pharyngeal
Posterior auricular
Occipital
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9
Q

Anterior collateral branches of external carotid artery

A

Superior thyroid
Facial
Lingual

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10
Q

Posterior collateral branches of external carotid artery

A

Posterior auricular

Occipital

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11
Q

Terminal branches of external carotid artery

A

Maxillary

Superficial temporal

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12
Q

Superior thyroid artery

A

Collateral branch of external carotid artery

Supplies thyroid gland

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13
Q

Lingual artery

A

Collateral branch off of external carotid artery
Travels deep to floor of oral cavity
Can have a common branch with facial artery
Supplies tongue

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14
Q

Facial artery

A

Collateral branch off external carotid artery
Can have a common branch with lingual artery
Supplies submandibular gland (goes through it) then over inferior border of mandible to supply face

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15
Q

Ascending pharyngeal artery

A

Collateral branch off external carotid artery
Small
Deep to internal carotid
Supplies pharynx, pre-vertebral muscles, middle ear, meninges

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16
Q

Occipital artery

A

Posterior collateral branch off external carotid artery (near level of facial)
Along inferior border of posterior belly of digastric to posterior scalp
Palpable as it crosses superior nuchal line
Loops over hypoglossal nerve (CN XII)

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17
Q

Posterior auricular artery

A

Posterior collateral branch of external carotid artery
Small
Arises near posterior belly of digastric - posterior to external acoustic meatus
Supplies muscles around ear, parotid gland, facial nerve, structures in temporal bone, ear, scalp

18
Q

Maxillary artery

A

Terminal branch of external carotid artery

Gives off several branches in infratemporal fossa

19
Q

Superficial temporal artery

A

Terminal branch of external carotid artery

Lateral aspect of head

20
Q

Branches off of first section of subclavian artery (lateral to anterior scalene)

A

Thyrocervical trunk
Vertebral
Internal thoracic

21
Q

Branches off thyrocervical trunk (1st part of subclavian artery)

A

Suprascapular
Transverse cervical (cervicodorsal trunk)
Inferior thyroid

22
Q

Vertebral artery

A

Most medial branch off of the first part of subclavian artery
Travels superiorly and medially - transverse foramina of cervical vertebra - foramen magnum
Supplies brain

23
Q

Internal thoracic artery

A

Lateral/inferior branch off 1st part of subclavian artery
Descends lateral to sternum
Supplies intercostal spaces, then branches

24
Q

Suprascapular artery

A

Branch off of thyrocervical trunk (1st part of subclavian artery)
Courses laterally and posteriorly
Supplies posterior scapula

25
Q

Transverse cervical artery (cervicodorsal trunk)

A

Branch off of thyrocervical trunk (1st part of subclavian artery)
Courses laterally and posteriorly
Supplies trapezius

26
Q

Inferior thyroid artery

A

Branch off of thyrocervical trunk (1st part of subclavian artery)
Courses medial to thyroid gland
Supplies thyroid
Branches into ascending cervical artery

27
Q

Ascending cervical artery

A

Branch off of inferior thyroid artery

Supplies deep neck (anterior to transverse processes of cervical vertebra)

28
Q

Costocervical trunk (artery)

A

Branches posteriorly off of the 2nd part (posterior to anterior scalene) of subclavian artery
Branches into deep cervical and superior (supreme) intercostal

29
Q

Deep cervical artery

A

Branch off of costocervical trunk (2nd part of subclavian artery)
Travels superiorly
Supplies deep neck posterior to transverse processes of cervical vertebra

30
Q

Superior (supreme) intercostal artery

A

Branch off of costocervical trunk (2nd part of subclavian artery)
Courses inferiorly
Supplies upper intercostal spaces

31
Q

Dorsal scapular artery

A

Branch off of 3rd part of subclavian (medial to anterior scalene)
HIGHLY VARIABLE
Travels through brachial plexus - joins transverse cervical artery
Supplies trapezius

32
Q

Which arteries supply blood to the face?

A

Mostly facial artery

Superficial temporal artery

33
Q

Maxillary artery

A

Terminal branch of external carotid artery

Courses through infratemporal fossa - usually traverses space superior/lateral to lateral pterygoid

34
Q

Superficial temporal artery

A

Terminal branch of external carotid artery
Courses anterior to the ear - side of head
Supplies temporal region

35
Q

Inferior alveolar artery

A

Branch off of maxillary artery
Courses inferiorly - mandibular foramen - branches to Md teeth
Terminates as mental artery - mental foramen - chin, lower lip

36
Q

Middle menangial artery

A

Deep branch off maxillary artery
Deep to pterygoids
Courses superiorly - foramen spinosum - MENINGES

37
Q

Accessory menangial artery

A

Variable, if present:
Branch off maxillary artery Anterior to middle menangial artery
Deep to pterygoids
Courses superiorly - foramen ovale (with V3) - MENINGES

38
Q

Deep temporal arteries

A

Branches off the maxillary artery - can be multiple
Superior to pterygoids
Course superiorly - TEMPORALIS

39
Q

Masseteric artery

A

Superficial branch off of maxillary artery
Superior to pterygoids
Courses forward to MASSETER

40
Q

Buccal artery

A

Inferior branch off maxillary artery

Supplies CHEEK

41
Q

Pterygoid arteries

A

Superior/inferior branches of maxillary artery

Pierce pterygoids

Gross Anatomy Exam 3 (9 decks)

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