Occipital Artery

Question 1

Origin

Answer 1

ECA posterior aspect opposite facial artery origin

Question 2

Course

Answer 2

1. Passes upwards and backwards along lower border of posterior belly digastric
2. Deep to mastoid process
3. Crosses posterior triangle apex
   To reach and supply scalp posterior part

Question 3

Branches

Answer 3

1. Sternomastoid arteries
2. Muscular arteries
3. Auricular artery
4. Mastoid artery
5. Stylomastoid artery (in 60% of cases)

Question 4

Sternomastoid arteries

Answer 4

To sternomastoid

Question 5

Muscular arteries

Answer 5

1. Digastric
2. Stylohyoid

Question 6

Auricular

Answer 6

To auricle back

Question 7

Mastoid artery

Answer 7

Passes in mastoid foramen to supply mastoid air cells

Question 8

Stylomastoid artery

Answer 8

Enters Stylomastoid foramen to supply middle ear by posterior tympanic artery