Arteries of the Head & Neck Flashcards
Identify artery A.
Maxillary artery
Describe the path of the maxillary artery.
Origin: external carotid artery
Passes between neck of mandible & sphenomandibular ligament, through infratemporal fossa.
Passes lateral pterygoid muscle and enters pterygopalatine fossa.
What structures are supplied by the maxillary artery?
Upper and lower jaws and teeth
Muscles of mastication
Ears
Nose
Meninges
Palate
Identify artery B.
Facial artery
Identify artery C.
Ascending pharyngeal artery
Identify artery D,
External carotid artery
Describe the course of the external carotid artery.
Origin: common carotid artery
Ascends on either side of neck to enter parotid gland.
What structures are supplied by the external carotid artery?
Face, scalp, tongue, teeth, palatine tonsils
Sinuses: Frontal, ethmoidal, sphenoidal, maxillary
Auditory tube, external and middle ear
Pharynx, larynx
Muscles in neck
Thyroid gland
Identify artery E.
Lingual artery
Identify artery F.
Superior thyroid artery
Identify artery G.
Left common carotid artery
Describe the course of the left common carotid artery.
Origin: aortic arch
Ascends in superior mediastinum and in neck
What structures are supplied by the left common carotid artery?
Head and neck
Identify artery H.
Left subclavian artery
Describe the course of the left subclavian artery.
Origin: aortic arch
Ascends in superior mediastinum and enters the neck.
Course laterally in neck and over first rib
Identify artery I.
Internal carotid artery
What structures are supplied by the left subclavian artery?
Thoracic wall
Neck
Spinal cord
Meninges
Brain
Upper limb
Describe the course of the internal carotid artery.
Origin: common carotid artery
Travels superiorly to base of skull, passes through carotid canal, enters cranial cavity, divides into anterior and middle cerebral arteries at base of brain.
What structures are supplied by the internal carotid artery?
Orbit
Structures of interior of the cranium, including brain and pituitary gland.
Identify artery J.
Vertebral artery
Describe the course of the vertebral artery.
Origin: subclavian artery
Ascendse through transverse foramina of C1-C6 vertebrae, enters cranial cavity via foramen magnum.
What structures are supplied by the vertebral artery?
Muscles of neck
Vertebrae
Spinal cord
Cerebellum
Identify artery K.
Occipital artery.
Identify artery L.
Posterior auricular artery
