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Head and Neck Circulatory System > 8 Branches of the External Carotid > Flashcards

8 Branches of the External Carotid Flashcards

0
Q

What muscles are supplied by the Superior Thyroid artery and its four branches?

A

Hyoid muscles
Sternocliedomastoid muscles
Larynx

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1
Q

The infrahyoid artery, sternocliedomastoid artery, superior laryngeal artery, and circothyroid artery are branches of what branch of the external carotid artery?

A

Superior Thyroid Artery

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2
Q

Name the smallest branch of the external carotid arteries.

A

Ascending pharyngeal artery

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3
Q

What structures are supplied by the ascending pharyngeal artery?

A

Pharyngeal walls
Soft Palate
Meninges of the Brain

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4
Q

What are the 2 branches of the Lingual artery that are important to our studies?

A

Sublingual

Deep Lingual

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5
Q

How many branches of the Lingual artery are there total? (Hint:we only need to know 2)

A

Four

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6
Q

What structures does the lingual artery supply?

A

Suprahyoid Muscles

Floor of the mouth and tongue

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7
Q

What structures are supplied by the sublingual artery?

A

Sublingual salivary gland
Mylohyoid
Mucous Membranes
Lingual gingiva

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8
Q

What structures are supplied by the deep lingual artery?

A

Tongue muscles

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9
Q

What are the 5 main branches of the Facial Artery?

Hint: ASISA

A 
Ascending Palatine
Submental
Inferior Labial
Superior Labial Artery
Angular
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10
Q

What is the terminal branch of the facial artery?

A

Angular artery

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11
Q

What structures are supplied by the ascending palatine of the facial artery?

A

Soft palate
Palatine Muscles
Tonsils

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12
Q

What structures are supplied by the submental artery of the facial artery?

A

Submandibular salivary gland
Lymph nodes
Mylohyoid muscles
Digastric muscles

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13
Q

What structures are supplied by the Inferior Labial artery of the facial arteries?

A

Lower Lip
Depressor muscles of facial expressions…
Mentalis
Depressor anguli oris

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14
Q

What structures are supplied by the Superior labial artery of the facial arteries?

A

Upper lip

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15
Q

What structures are supplied by the Angular artery of the facial arteries?

A

Tissues lateral to the nose.

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16
Q

Where is the occipital artery found?

A

Posterior and Superior to the ascending ramus of the mandible.

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17
Q

What structures are supplied by the Occipital Artery?

A

Posterior Scalp
Suprahyoid muscles
Sternocliedomastoid muscles
Meninges

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18
Q

What is the 3rd most superior branch of the external carotid arteries?

A

Posterior Auricular

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19
Q

What structure(s) are supplied by the Posterior Auricular Artery?

A

Internal portion of the ear

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20
Q

What two functions is the internal portion of the ear responsible for?

A

Balance

Sense of hearing

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21
Q

What branch of the external carotid artery sometimes looks like a bulge on the side of the face in the temporal region?

A

Superficial Temporal Artery

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22
Q

What structures do the superficial temporal artery supply?

A

Parotid gland
Temporalis muscle
Frontal and Parietal Scalp

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23
Q

Which of the 8 external carotid branches is the largest terminal branch?

A

Maxillary Artery

24
Q

What structures does the Maxillary artery supply?

A

Muscles of Mastication

Oral and Nasal Cavities

25
Q

What are the two regions of the Maxillary artery?

A

Infratemporal (TYPICALLY run inferior)

Pterygopalatine (TYPICALLY run superior)

26
Q

What are the branches of the Maxillary Artery that are in the infratemporal region?

(Hint: May I Make More Intelligent Decisions Please Ms. Becky)

A 
Middle Meningeal 
Inferior Alveolar
Mylohyoid
Mental
Incisive
Deep Temporal
Pterygoid branches
     Medial pterygoid
     Lateral pterygoid
Masseteric
Buccal
27
Q

Which branch of the Maxillary artery sits underneath the pterion?

A

Middle meningeal

28
Q

What is the pterion?

A

The weakest point of the skull where the sphenoid, temporal, and parietal bones meet.

29
Q

What does the middle meningeal artery of the maxillary arteries supply?

30
Q

What does the Inferior Alveolar artery of the maxillary artery supply?

A

Posterior molars of the mandible (#30, #31, #32)

31
Q

What two arteries branch from the Inferior Alveolar artery of the maxillary arteries?

A

Incisive

Mental

32
Q

What does the Mylohyoid Artery of the maxillary arteries supply?

A

Floor of the Mouth

Mylohyoid Muscles

33
Q

What does the Mental Artery of the Inferior Alveolar artery supply?

A

Tissues of the Chin

34
Q

What does the Incisive Artery of the Inferior Alveolar artery supply?

A

Mandibular premolars and anterior teeth.

35
Q

What does the Deep Temporal artery of the maxillary artery supply?

A

Temporalis Muscle

36
Q

What does the pterygoid branches of the maxillary artery supply?

A

Medial and Lateral Pterygoid muscles.

37
Q

What does the Masseteric artery of the maxillary artery supply?

A

Masseter Muscle

38
Q

What does the Buccal artery of the Maxillary Artery supply?

A

Buccinator (accessory muscle of mastication)

39
Q

What branches of the Maxillary Artery are in the Pterygopalatine region?

A 
Posterior Superior Alveolar
Infraorbital
     Anterior Superior Alveolar
Descending Palatine
     Greater Palatine
     Lesser Palatine
Sphenopalatine
40
Q

What structures does the posterior superior alveolar artery of the maxillary artery supply?

A

Maxillary molar&pre-molars

Maxillary sinus

41
Q

What structures are supplied by the Infraorbital artery of the maxillary artery?

A

Upper lip

Lower eyelid

42
Q

What branches off from the infraobital artery?

A

Anterior Superior Alveolar

43
Q

What structures are supplied by the Anterior Superior Alveolar artery of the Infraorbital artery?

A

Maxillary Anterior teeth (Canines & Incisors)

44
Q

What two arteries are created by the Descending Palatine artery?

A

Greater Palatine

Lesser Palatine

45
Q

What structures are supplied by the Greater Palatine of the descending palatine artery?

A

Hard Palate

1st quadrant of palatal gingiva

46
Q

What structures are supplied by the Lesser Palatine of the descending palatine artery?

A

Soft Palate

Soft tissue posterior to its foramen

47
Q

What is the terminal branch of the Maxillary Artery?

A

Sphenopalatine

48
Q

Which artery of the maxillary arteries is responsible for MAJOR nose bleeds?

A

Sphenopalatine

49
Q

Posterior superior alveolar and Anterior superior alveolar are examples of what pathway?

A

“Dental” Arterial Anastomoses

50
Q

What artery joins with the Greater Palatine artery to create a Dental Arterial Anastomosis?

A

Sphenopalatine

51
Q

What is the difference between the arterial circulation pattern between the maxilla and mandible?

A

The maxilla is essentially double wired! There are no redundancies in the mandible.

52
Q

Meninges are supplied by 4 different arteries, what are they?

A

Internal Carotid
Ascending Pharyngeal
Occipital
Middle Meningeal

53
Q

The Mylohyoid is supplied by 4 arteries, what are they?

A

Ligual Artery
Submental Artery of the Facial Artery
Occipital Artery
Mylohyoid artery

54
Q

The floor of the mouth is supplied by what two arteries?

A

Lingual artery

Mylohyoid

55
Q

The sternocliedomastoid is supplied by what two arteries?

A

Occipital

Superior thyroid

56
Q

The suprahyoid muscles are supplied by what two arteries?

A

Occipital artery

Lingual

57
Q

The Soft palate is supplied by what three arteries?

A

Ascending pharyngeal
Ascending palatine of the facial artery
Lesser palatine of the descending palataine artery

Head and Neck Circulatory System (5 decks)

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