ARTERIAL SUPPLY OF THE FACE

Question 1

Facial nerve

Answer 1

1. passes along the side of the nose and terminates as an angular artery at the medial corner of the eye.

Branches into:

a. superior labial branches- supplies upper lip and nasal septum
b. inferior labial branches- supplies the lower lip
c. lateral nasal branch - lateral surface and dorsum of the face.

Question 2

near the midline the superior and inferior labial branches

Answer 2

anastomose with their companion arteries from the opposite side of the face, this provides an important connection between the facial arteries and external carotid arteries.

Question 3

transverse facial artery

Answer 3

1. it is a branch of the superficial temporal artery

2. supply the parotid gland and duct, the masseter, and the skin of the face

Question 4

maxillary artery( deep artery)

Answer 4

branches into

a. infra-orbital artery
b. buccal artery
c. mental artery

Question 5

infra-orbital artery

Answer 5

1. enters the face through the infraorbital foramen

2. supplies lower eyelid, upper lip, and the area between these structures

Question 6

buccal artery

Answer 6

supplies buccinator muscle and structures in this area

Question 7

mental artery

Answer 7

1. enters the face through the mental foramen

2. supplies the chin

Question 8

superficial temporal artery

Answer 8

1. ends in the scalp

2. by dividing into frontal and parietal branches

Question 9

ophthalmic artery

Answer 9

1. 3 small arteries from the internal carotid artery

branches into

a. zygomaticofacial and zygomaticotemporal arteries which supply the area of the face over the zygomatic bone
b. dorsal nasal artery- dorsum of the nose

Question 10

other branches of ophthalmic artery

Answer 10

supra-orbital and supratrochlear arteries supply eyebrows and the forehead
the supraorbital artery continues to supply the anterior scalp to the vertex