Blood Supply Of The Head And Neck

Question 1

Arteries of Head & Neck include

Answer 1

Arteries of Head & Neck
•Common Carotid Artery
•External Carotid Artery
•Internal Carotid Artery
•Subclavian Artery

Question 2

Common Carotid Arteries
Right Common Carotid Artery:
•Arises from ——— artery
(Behind ——— joint)
Left Common Carotid Artery:
•Arises from ———
•Runs upwards in the neck from ——— joint to ————

Answer 2

Common Carotid Arteries
Right Common Carotid Artery:
•Arises from brachiocephalic artery
(Behind right sternoclavicular joint)
Left Common Carotid Artery:
•Arises from Arch of Aorta
•Runs upwards in the neck from sternoclavicular joint to upper border of thyroid cartilage

Question 3

Relations of Common Carotid Artery
Anterolaterally:
————
Posteriorly:
•———
Medially:”
———
Laterally:
———-

Answer 3

Relations of Common Carotid Artery
Anterolaterally:
•Sternocleidomastoid
•Sternohyoid
•Sternothyroid
•Superior belly of omohyoid
Posteriorly:
•Prevertebral muscles
Medially:
•Larynx
•Pharynx
Laterally:
•Internal jugular vein

Question 4

Branches of Common Carotid Artery

Answer 4

Branches of Common Carotid Artery

•External Carotid Artery

•Internal Carotid Artery

Question 5

External Carotid Artery
•Begins at the level of ——— border of ———
•Terminates in the substance of the ——— behind the —— of mandible by dividing into:
•

Answer 5

External Carotid Artery
•Begins at the level of upper border of thyroid cartilage
•Terminates in the substance of the parotid gland behind the neck of mandible by dividing into:
•Superficial temporal artery
•Maxillary artery

Question 6

Supply of External Carotid Artery include:

Answer 6

Supply of External Carotid Artery
•Neck
•Face
•Scalp
•Tongue
•Maxilla

Question 7

Branches of External Carotid Artery include

Answer 7

Branches of External Carotid Artery
•Ascending pharyngeal artery
•Superior thyroid artery
•Lingual artery
•Facial artery
•Occipital artery
•Posterior auricular artery
•Superficial temporal artery
•Maxillary artery
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Question 8

Internal Carotid Artery

•Begins at the level of ———
•No branches in the ——
•Through —— canal enters into cranial cavity
•Supplies —————

Answer 8

Internal Carotid Artery

•Begins at the level of upper border of thyroid cartilage
•No branches in the neck
•Through carotid canal enters into cranial cavity
•Supplies brain, eyes, forehead and part of the nose

Question 9

Subclavian Artery
Right Subclavian Artery:
•Arises from ———
•where does it becomes Axillary Artery?
Left Subclavian Artery:
•Arsis from ———
•Runs upwards to the root of the —— & arches laterally
•where does it become Axillary Artery

Answer 9

Subclavian Artery
Right Subclavian Artery:
•Arises from brachiocephalic artery
(Behind right sternoclavicular joint)
•At outer border of 1st rib it becomes Axillary Artery
Left Subclavian Artery:
•Arsis from Arch of Aorta in the thorax
•Runs upwards to the root of the neck & arches laterally
•At outer border of 1st rib it becomes Axillary Artery

Question 10

Subclavian Artery
——— muscle passes anterior to the artery on each side and divides it into 3 parts.

Answer 10

Subclavian Artery
Scalenus Anterior muscle passes anterior to the artery on each side and divides it into 3 parts.
1.1st part of subclavian artery
2.2nd part of subclavian artery
3.3rd part of subclavian artery

Question 11

1st part of Subclavian Artery
Extends from the ——— to the ———.
Branches:

Answer 11

1st part of Subclavian Artery
Extends from the origin of the subclavian artery to the medial border of the Scalenus anterior muscle.
Branches:
1.Vertebral artery
2.Thyrocervical Trunk
3.Internal thoracic artery

Question 12

Thyrocervical Trunk branches

Answer 12

Thyrocervical Trunk
•Inferior thyroid artery
•Superficial cervical artery( superficial branch of transverse cervical artery)
•Suprascapular artery

Question 13

Branches of Internal thoracic artery

Answer 13

Internal thoracic artery
•Superior epigastric artery
•Musculophrenic artery

Question 14

2nd part of Subclavian Artery
Lies behind the ———
Branches:

Answer 14

2nd part of Subclavian Artery
Lies behind the Scalenus anterior muscle.
Branches:
1.Costocervical trunk
•Superior intercostal artery
•Deep cervical artery

Question 15

3rd part of Subclavian Artery
Extends from the ——— to the ———.
Branches: (Occasional)

Answer 15

3rd part of Subclavian Artery
Extends from the lateral border of the Scalenus anterior muscle to the lateral border of 1st rib.
Branches: (Occasional)
Dorsal scapular artery

1.Superficial cervical artery
2.Suprascapular artery

Question 16

Veins of Face and Neck include

Answer 16

Veins of Face and Neck
•Facial vein
•Superficial temporal vein
•Maxillary vein
•Retromandibular vein
•External jugular vein
•Anterior jugular vein
•Internal jugular vein
•Subclavian vein

Question 17

Facial Vein
Formed at medial angle of eye by
the union of ——— and ——— veins.
It joins —— division of ——— vein

Answer 17

Facial Vein
Formed at medial angle of eye by
the union of supraorbital and supratrochlear veins.
It joins anterior division of retromandibular vein

Question 18

Superficial temporal Vein
Formed on the ———. Enters —— gland.
It joins ——- vein to form ——— vein.

Answer 18

Superficial temporal Vein
Formed on the side of the scalp. Enters parotid gland.
It joins maxillary vein to form Retromandibular vein.

Question 19

Maxillary Vein
Formed in the ——— from the ——- venous plexus.
It joins ———vein to form ——— vein.

Answer 19

Maxillary Vein
Formed in the Infratemporal fossa from the Pterygoid venous plexus.
It joins superficial temporal vein to form Retromandibular vein.

Question 20

Retromandibular Vein
•Formed by the union of ——— vein and ——— vein.
•Leaving parotid gland divides into ——- branch and ——— branch.

Answer 20

Retromandibular Vein
•Formed by the union of maxillary vein and superficial temporal vein.
•Leaving parotid gland divides into anterior branch and posterior branch.

Question 21

Retromandibular Vein
•Leaving parotid gland divides into anterior branch and posterior branch.
•Anterior branch joins —— vein to form——— vein.
•Posterior branch joins ——— vein to form ——— vein.

Answer 21

Retromandibular Vein
•Formed by the union of maxillary vein and superficial temporal vein.
•Leaving parotid gland divides into anterior branch and posterior branch.
•Anterior branch joins facial vein to form common facial vein.
•Posterior branch joins posterior auricular vein to form external jugular vein.

Question 22

External jugular Vein
•Formed behind the ——— by the union of —— branch of ——— vein with——vein.
1. It drains into ——— vein
2. Tributaries:

Answer 22

External jugular Vein
•Formed behind the angle of jaw by the union of
Posterior branch of retromandibular vein with posterior auricular vein.
1. It drains into subclavian vein
2. Tributaries:
1.Posterior external jugular
2.Transverse cervical
3.Suprascapular
4.Anterior jugular
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Question 23

Internal jugular Vein
•Receives blood from ——, —— and ——.
•Continuation of ——— sinus and leave the skull from —— foramen.
•Ends by joining ——— vein to form —— vein.
1. Tributaries:

Answer 23

Internal jugular Vein
•Receives blood from brain, face and neck.
•Continuation of sigmoid sinus and leave the skull from jugular foramen.
•Ends by joining subclavian vein to form brachiocephalic vein.
1. Tributaries:
•Facial vein( common)
•Pharyngeal vein
•Lingual vein
•Superior thyroid vein
•Middle thyroid vein
Inferior petrosal vein
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Question 24

Subclavian Vein

•Continuation of ——- vein at the outer border of ——.
•Joins ——— vein to form ——— vein.
Tributaries:

Answer 24

Subclavian Vein

•Continuation of axillary vein at the outer border of 1st rib.
•Joins internal jugular vein to form brachiocephalic vein.
Tributaries:
•External jugular vein