2 ArteriesCarry oxygenated blood away from the heart to cells and tissueCan detect a pulse‘spurt’ w/ cut or severedAorta = largest artery of the body
3 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
4 Carotid artery aka Common carotid artery Main blood supply for theHeadNeckFaceMouthBrainEyes
5 Divisions of the carotid artery InternalDelivers blood to theBrainEyesExternalFaceOral cavity
6 External divisionArteries are named after the area of the body they supply blood to. (just like the nerves.)Posterior Superior arteryDelivers blood to Max. molarsMiddle Superior arteryDelivers blood to Max. premolarsAnterior Superior arteryDeliver blood to Max. anterior teethAll are branches off of the Maxillary artery
7 External division Lingual artery Inferior Alveolar artery Delivers blood to the tongueInferior Alveolar arteryDelivers blood to the mandibular teethMental arteryDelivers blood to the chinAll are branches off of the mandibular artery
8 Jugular vein 2 main divisions Internal External Drains blood from BrainEyesExternalall other tissues of the head and face
9 Divisions of the jugular vein Superficial veinsFacial veinDeep facial veinRetromandibular veinLingual veinDeep veinsMaxillary veinPterygoid plexus of veins.All veins lead to theSuperior vena cavaWhich drains blood into the R. atrium of the heart.
10 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??????