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anatomy lecture > vasculature of the external carotid artery > Flashcards

vasculature of the external carotid artery Flashcards

1
Q

what are the branches of the superior thyroid branch off the external carotid?

A 
infrahyoid
superior laryngeal 
SCM
ant. glandular branches
cricothyroid
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2
Q

what are the branches that come off the ascending pharyngeal branch of the external carotid

A

superior, middle, inferior pharyngeals
inferior tympanic
posterior meningeal

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3
Q

what are the branches off the lingual artery branch of the external carotid

A

dorsal lingual
deep lingual
sublingual
suprahyoid

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4
Q

what are the branches off the facial artery of the external carotid artery

A 
ascending palatine
tonsilar
submental
inferior labial
superior labial
angular
lateral nasal
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5
Q

what are the branches off the occipital artery of the external carotid artery

A 
Some Men Are Dirt Poor "pneumonic" 
SCM
meningeal
auricular 
descending 
posterior occipital branches
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6
Q

what are the branches off the posterior auricular artery of the external carotid?
if it has no branches what does it feed?

A 
No branches, but feeds:
parotid gland
tympanic cavity
post. digastric
stylohyoid
post. auricle
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7
Q

what are the branches off the superficial temporal artery of the external carotid

A 
transverse facial
posterior auricular
zygomatic
mid. temporal 
frontal bone
parietal bone
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8
Q

what are the branches of the mandibular portion of the maxillary artery?

A 
TMJ
deep auricular
anterior tympanic
middle meningeal
accessory meningeal
inferior alveolar
mylohyoid
mental
incisive
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9
Q

what are the branches of the pterygoid portion of the maxillary artery?

A 
masseteric
deep temporal
lateral pterygoid
medial pterygoid
buccal
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10
Q

what are the branches of pterygopalatine portion of the maxillary artery?

A
  • descending palatine->greater palatine, lesser palatine
  • posterior superior alveolar
  • infraorbital->middle superior alveolar, anterior superior alveolar
  • pharyngeal artery
  • artery of pterygoid canal
  • sphenopalatine
  • posterior nasal
  • posterior septal
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11
Q

what regions does the ophthalmic artery feed?

A 
all parts of the orbit
-retina
-extraocular muscles
-lacrimal gland
ethmoid bone
superficial
-dorsal nasal
-frontal (supratrochlear)
-supraorbital
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12
Q

where does the ophthalmic artery come from and how does it enter the orbit?

A

branch off the internal carotid

enters via the optic canal

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13
Q

where does the superior thyroid artery start (what triangle) and what does it supply?

A 
starts in carotid triangle
feeds:
ant. strap muslces
larynx 
cricothyroid-larynx
hyoid-strap muscles adjacent to hyoid bone
SCM
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14
Q

the ascending pharyngeal artery ascends deep to what muscle and anterior to what land mark?

A

deep to the sylopharyngeus and anterior to the ear

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15
Q

what things does the ascending pharyngeal artery supply?

A 
pharyngeal constrictors
stylopharyngeus
soft palate
auditory tube
palatine tonsils
all soft palate muscles other than levator veli palatini 
meninges 
middle ear
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16
Q

what artery feeds the levator veli palatini?

A

middle meningeal from the maxillary artery

17
Q

the lingual artery runs deep to what extrinsic tongue muscle and what does it supply?

A

deep to hyoglossus

feeds: tongue, palatine tonsil, glands(sublingual)
- dorsal branch: posterior tongue, tonsils
- deep branch: anterior tongue
- sublingual branch: sublingual glands

18
Q

what branches can anastomos?

A

dorsal branch will contralateral artery

deep and sublingual branches cannot due to lingual septum(deep can possibly, but rare)

19
Q

what does the facial artery run deep to?

A

digastric sling and the submandibular gland

20
Q

what does the facial artery run over to enter the superficial face?

A

the body of the mandible

21
Q

what anastamoses with the facial artery?

A

the ophthalmic artery via the angular branch

22
Q

what does the facial artery supply?

A
  • facial regions, skin, muscles of facial expression
  • tonsilar branch: palatine tonsils
  • labial branches: external surface of lips
  • lateral nasal branch: dorsal and lateral surface of nose
  • angular branch: dorsal nasal branch to superior ophthalmic: feeds external medial orbit.
23
Q

the superficial temporal artery ascends with in what gland and anterior to what land mark:

A

within the parotid gland and anterior to the ear

24
Q

what does the superficial artery feed?

A

lateral and dorsal scalp, superior facial muscles

25
Q

what does the transverse branch feed?

A

parotid gland, facial muscles, masseter, and temporalis

26
Q

what does the zygomatic branch feed?

A

skin, muscles towards orbit

27
Q

what does the frontal branch feed?

A

skin, muscles over frontal bone, can anastomos with supraorbital arteries

28
Q

what does the parietal branch feed?

A

skin, superior auricular muscle.

29
Q

what does the occipital artery run deep to?

A

posterior belly of digastric muscle

30
Q

what does the occipital artery feed?

A

posterior scalp, muscles along it’s course
posterior dura and crainial bones via meningeal branch
suboccipital and deep back muscles of neck via descending branch

31
Q

what can the descending branch anastomos with?

A

the transverse cervical branch of the thyrocervical trunk and the vertebral arteries.

32
Q

the posterior auricular artery runs in between what to structures and ascends superior to what muscle

A

between the external acoustic meatus and the mastoid process
ascends superior to the posterior digastric
no major branches

33
Q

what branches of the maxillary artery run inferiorly in the mandibular portion?

A

mylohyoid
inferior alveolar
mental
incisive

34
Q

what branches of the maxillary artery run superiorly in the mandibular portion?

A

deep auricular
anterior tympanic
middle meningeal
accessory meningeal

35
Q

what branches of the pterygoid portion of the maxillary artery will run inferiorly?

A

masseteric
pterygoids
buccal

36
Q

what branches of the pterygoid portion of the maxillary artery will run superiorly?

A

deep temporal branches

37
Q

what are the arteries in the kiesselbach’s area?

A

ethmoidal (ophthalmic)
Septal (maxillary)
Gr. palatine (maxillary)
Superior labial (facial)

anatomy lecture (16 decks)

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