8 Branches of the External Carotid Flashcards Preview

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

Flashcards in 8 Branches of the External Carotid Deck (58):
0

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

Superior Thyroid Artery

1

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

Hyoid muscles
Sternocliedomastoid muscles
Larynx

2

Name the smallest branch of the external carotid arteries.

Ascending pharyngeal artery

3

What structures are supplied by the ascending pharyngeal artery?

Pharyngeal walls
Soft Palate
Meninges of the Brain

4

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

Sublingual
Deep Lingual

5

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

Four

6

What structures does the lingual artery supply?

Suprahyoid Muscles
Floor of the mouth and tongue

7

What structures are supplied by the sublingual artery?

Sublingual salivary gland
Mylohyoid
Mucous Membranes
Lingual gingiva

8

What structures are supplied by the deep lingual artery?

Tongue muscles

9

What are the 5 main branches of the Facial Artery?
Hint: ASISA

Ascending Palatine
Submental
Inferior Labial
Superior Labial Artery
Angular

10

What is the terminal branch of the facial artery?

Angular artery

11

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

Soft palate
Palatine Muscles
Tonsils

12

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

Submandibular salivary gland
Lymph nodes
Mylohyoid muscles
Digastric muscles

13

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

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

14

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

Upper lip

15

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

Tissues lateral to the nose.

16

Where is the occipital artery found?

Posterior and Superior to the ascending ramus of the mandible.

17

What structures are supplied by the Occipital Artery?

Posterior Scalp
Suprahyoid muscles
Sternocliedomastoid muscles
Meninges

18

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

Posterior Auricular

19

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

Internal portion of the ear

20

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

Balance
Sense of hearing

21

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

Superficial Temporal Artery

22

What structures do the superficial temporal artery supply?

Parotid gland
Temporalis muscle
Frontal and Parietal Scalp

23

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

Maxillary Artery

24

What structures does the Maxillary artery supply?

Muscles of Mastication
Oral and Nasal Cavities

25

What are the two regions of the Maxillary artery?

Infratemporal (TYPICALLY run inferior)

Pterygopalatine (TYPICALLY run superior)

26

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

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

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

27

Which branch of the Maxillary artery sits underneath the pterion?

Middle meningeal

28

What is the pterion?

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

29

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

meninges

30

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

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

31

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

Incisive
Mental

32

What does the Mylohyoid Artery of the maxillary arteries supply?

Floor of the Mouth
Mylohyoid Muscles

33

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

Tissues of the Chin

34

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

Mandibular premolars and anterior teeth.

35

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

Temporalis Muscle

36

What does the pterygoid branches of the maxillary artery supply?

Medial and Lateral Pterygoid muscles.

37

What does the Masseteric artery of the maxillary artery supply?

Masseter Muscle

38

What does the Buccal artery of the Maxillary Artery supply?

Buccinator (accessory muscle of mastication)

39

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

Posterior Superior Alveolar
Infraorbital
Anterior Superior Alveolar
Descending Palatine
Greater Palatine
Lesser Palatine
Sphenopalatine

40

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

Maxillary molar&pre-molars
Maxillary sinus

41

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

Upper lip
Lower eyelid

42

What branches off from the infraobital artery?

Anterior Superior Alveolar

43

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

Maxillary Anterior teeth (Canines & Incisors)

44

What two arteries are created by the Descending Palatine artery?

Greater Palatine
Lesser Palatine

45

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

Hard Palate
1st quadrant of palatal gingiva

46

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

Soft Palate
Soft tissue posterior to its foramen

47

What is the terminal branch of the Maxillary Artery?

Sphenopalatine

48

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

Sphenopalatine

49

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

"Dental" Arterial Anastomoses

50

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

Sphenopalatine

51

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

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

52

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

Internal Carotid
Ascending Pharyngeal
Occipital
Middle Meningeal

53

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

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

54

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

Lingual artery
Mylohyoid

55

The sternocliedomastoid is supplied by what two arteries?

Occipital
Superior thyroid

56

The suprahyoid muscles are supplied by what two arteries?

Occipital artery
Lingual

57

The Soft palate is supplied by what three arteries?

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