Blood vessels of the head and face

ArteriesCarry oxygenated

blood away from the heart to cells and tissue

Can detect a pulse‘spurt’ w/ cut or

severedAorta = largest

artery of the body

Veins Carry

deoxygenated blood from cells and tissues to the heart.

More superficial than arteriesCloser to the skin

‘bluish’ in colorDo not ‘spurt’ when

cut

Carotid artery akaCommon carotid arteryMain blood supply

for theHeadNeck FaceMouthBrain Eyes

Divisions of the carotid arteryInternal

Delivers blood to the BrainEyes

ExternalDelivers blood to

theFaceOral cavity

External divisionArteries are named after the area of the

body they supply blood to. (just like the nerves.)

Posterior Superior arteryDelivers blood to Max. molars

Middle Superior arteryDelivers blood to Max. premolars

Anterior Superior arteryDeliver blood to Max. anterior teeth

All are branches off of the Maxillary artery

External divisionLingual artery

Delivers blood to the tongueInferior Alveolar artery

Delivers blood to the mandibular teethMental artery

Delivers blood to the chinAll are branches off of the mandibular artery

Jugular vein2 main divisions

InternalDrains blood fromBrainEyes

ExternalDrains blood from all other tissues of

the head and face

Divisions of the jugular veinSuperficial veins

Facial veinDeep facial veinRetromandibular

veinLingual vein

Deep veinsMaxillary veinPterygoid plexus of

veins.

All veins lead to theSuperior vena cava

Which drains blood into the R. atrium of the heart.

ConclusionYou should be able to answer questions

from your patients about head + neck anatomy.Remember, You are the ‘expert’.

This concludes the information from Chapter 4 that you will be tested on.

Please study and review your material for the quiz.

Any questions??????