Anatomy Of Vessels Of Head & Neck

Question 1

Mention origin & termination of subclavian artery

Answer 1

O: rt from brachiocephalic, lt from arch of aorta
Termination: end at outer border of 1st rib to become axillary artery

Question 2

Subclavian art is divided to 3 parts by …..

Answer 2

Scalenus anterior muscle

Question 3

Branches of subclavian arterym

Answer 3

1st part: vertebral art, internal mammary a, thyrocervical a (inf thyroid, transverse cervical, suprascapular arts)
2nd part: costocervucal: deep cervical, superior intercostal arts
3rd part: 35% no branches, 65% dorsal scapular

Question 4

Mention origin & termination of common carotid arteries & its braches

Answer 4

O: rt, from brachiocephalic, lt from aortic arch
T: opposite disc between C3&C4 by dividing into branches (ECA&ICA)

Question 5

Mention origin & termination of external carotid artery

Answer 5

O: branch of common carotid at level of disc between C3&C4
T: enters parotid gland then gives its terminal branches behind neck of mandible

Question 6

Mention branches of ECA

Answer 6

Sup thyroid, lingual, facial (ant)
Posterior auricular & occipital (post)
Ascending pharyngeal (medial)
Superficial temporal & maxillary (terminal)

Question 7

Mention origin & termination of internal carotid artery

Answer 7

O: terminal branch of common carotid at level of disc between C3&C4
T: its cerebral part divides into anterior & middle cerebral arteries

Question 8

Mention nranches of ICA

Answer 8

1. Anterior cerbral art
2. Middle cerebral art
3. Ophthalmic art
4. Post communicating
5. Ant choroidal branches

Question 9

Mention veins forming ant facial vein

Answer 9

Supraorbital & supratrochlear

Question 10

Describe beginning, termination & tributaries of EJV

Answer 10

O: union of post auricular & post division of retromandibular vein
T: draining into subclavian vein
Tributaries:
1. Anterior jugular vein
2. External post jugular vein
3. Suprascapular vein
4. Transverse cervical vein

Question 11

Describe beginning, termination & tributaries of IJV

Answer 11

O: direct continuation of sigmoid sinus at base of skull (jugular foramen)
T: join subclavian v behind medial end of the clavicle to form brachiocephalic vein
Tributaries:
1. Inferior petrosal sinus
2. Pharyngeal plexus & vein
3. Common facial v
4. Lingual v
5. Sup & mid thyroid veins

Question 12

Describe course of ant jugular vein

Answer 12

Begins in submental triangle close to midline, rt & lf communicate by jugular arch at suprasternal notch
End by passing deep to sternomastoid & draining into EJV