Veins of head and neck

Question 1

What does the supra-orbital vein drain into?

Answer 1

Angular vein

Question 2

What does the supra-trochlear vein drain into?

Answer 2

Angular vein

Question 3

What does the superficial temporal vein drain into?

Answer 3

Internal and external jugular veins

Question 4

What does the posterior auricular vein drain into?

Answer 4

External jugular vein

Question 5

What does the occipital vein drain into?

Answer 5

External jugular vein

Question 6

Where does the external jugular vein arise?

Answer 6

Posterior to angle of mandible

Inferior to ear

Question 7

Where does the external jugular vein travel after it arises?

Answer 7

Descends down the neck

Question 8

How does the external jugular vein descend down the neck?

Answer 8

Within the superficial fascia

Anteriorly to sternocleidomastoid

Question 9

How does the external jugular vein pass over the sternocleidomastoid muscle?

Answer 9

Passes over it in an oblique, posterior and inferior direction

Question 10

How does the external jugular vein leave the neck?

Answer 10

Passes behind and underneath the clavicle

Question 11

What does the external jugular vein drain into?

Answer 11

Subclavian vein

Question 12

What does the superior opthalmic vein drain into?

Answer 12

Cavernous sinus

Question 13

What does the inferior opthalmic vein drain into?

Answer 13

Cavernous sinus

Pterygoid venous plexus

Question 14

Where is the pterygoid venous plexus located?

Answer 14

Between the medial and lateral pterygoid muscles

Question 15

Where is the cavernous sinus located?

Answer 15

Laterally to sella turcica

Question 16

What structures run through the cavernous sinus?

Answer 16

Internal carotid artery

Cranial nerve 3 - oculomotor nerve

Cranial nerve 4 - trochlear nerve

Va and Vb of cranial nerve 5 - opthalmic and maxillary branches of trigeminal nerve

Cranial nerve 6 - abducent nerve

Question 17

What does the cavernous sinus drain into?

Answer 17

Superior and inferior petrosal sinuses

Question 18

What does the angular vein drain into?

Answer 18

Facial vein

Question 19

What do the superior and inferior labial veins drain into?

Answer 19

Facial vein

Question 20

What does the facial vein drain into?

Answer 20

Internal jugular vein

Superior and inferior opthalmic veins

Question 21

What is the clinical significance of the facial vein draining into the superior and inferior opthalmic veins which drain into the cavernous sinus?

Answer 21

Provides route for infection in face to spread into dural venous sinuses in cranial cavity
mostly affecting meninges

Question 22

What is the internal jugular vein a continuation of?

Answer 22

Sigmoid sinus

Question 23

Where does the internal jugular vein arise?

Answer 23

Jugular foramen

Question 24

Where does the internal jugular vein travel after it arises?

Answer 24

Descends down the neck

Question 25

How does the internal jugular vein travel down the neck?

Answer 25

Laterally in the carotid sheath

Question 26

What does the internal jugular vein drain into?

Answer 26

Combines with the subclavian vein to form the brachiocephalic vein

Question 27

Where do the internal jugular vein and subclavian vein join together?

Answer 27

Posterior to the sternal end of the clavicle

Question 28

What is meant by the danger triangle of the face?

Answer 28

Area of the face which if it’s infected
the infection can spread by venous drainage to the dural venous sinuses in the cranial cavity
mostly affecting the meninges

Question 29

What parts of the face form the danger triangle of the face?

Answer 29

From bridge of nose

to corners of mouth