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57 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are the 8 external carotid branches?
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Superior Thyroid, Ascending Pharyngeal, Lingual, Facial, Occipital, Posterior Auricular, Superficial Temporal, Maxillary.
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SALFOPSM
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Which of the 8 external carotid branches originate in or around the carotid triangle?
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Superior Thyroid, Ascending Pharyngeal, Lingual, Facial, Occipital
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Where does the Posterior auricular artery originate?
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Skull level just below the parotid gland.
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Where does the Maxillary artery originate?
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Parotid
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Where does the Superior Thyroid artery originate?
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Parotid at skull level
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Which of these external carotid branches is the only descending branch?
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Superior Thyroid Artery
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Which branches are the most important of the superior thyroid artery?
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Thyroid and parathyroid glandular
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Which of the 8 external carotid branches is the smallest?
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Ascending Pharyngeal
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Which of the 8 external carotid branches is the only medial branch?
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Ascending Pharyngeal
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Where does the ascending pharyngeal branch arise?
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The carotid triangle, then ascends deep in neck to supply pharynx
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Name the other (2) branches that go to the pharynx.
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Tympanic and meningeals.
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What branch is contained in the tympanic canaliculus and of which CN?
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Tympanic branch of CN IX.
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Where does the tympanic branch go and how does it get there?
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The middle ear cavity via typmanic canaliculus.
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Via which foramen do the meningeals enter?
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Jugular Foramen
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What is the purpose of the meningeal arteries?
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They supply blood to the skull bones (more than meningeal dura).
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What is the pathway of the lingual artery?
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(1) Arises in the carotid triangle, opposite tip of the hyoid bone. (2) upward bend or loop, then runs deep to tongue muscles.
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Where do the branches of the lingual artery supply to?
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The undertip of tongue, tongue, and mouth floor.
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What is the pathway of the facial artery?
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Arises deep to posterior digastric, ascends over mandibular inferior/external border. Next, travels to cheek and then medial (canthus) angle of eyelid.
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Which artery allows us to detect our pulsation?
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Facial Artery
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What are the 4 facial branches off of the facial artery?
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Inferior labial (to lower lip), superior labial (to upper lip), lateral nasal (side of nose), angular artery, tonsillar.
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What structure does the angular artery anastomose with?
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Dorsal nasal of ophthalmic of internal carotid.
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How does the angular artery get it's name?
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It is the facial artery as it nears the medial angle. Or the facial artery above the lateral nasal artery.
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What is the tonsillar?
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A facial branch that is the major palatine tonsil artery.
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Where does the occipital artery arise?
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Opposite of the facial artery.
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What are the two important branches of the occipital artery?
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Meningeal (to mastoid foramen then to interior of skull) and Terminal (to occipital scalp).
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What does the mastoid foramen carry?
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Meningeal branch of the occipital artery and an emissary vein which drains meninges to the skull.
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Which artery is the smallest scalp artery?
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Posterior auricular.
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Where do the distal branches of the posterior auricular artery occur?
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To the back of the ear and the scalp behind the auricle.
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Does the posterior auricular arterty bleed much when cut?
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Yes.
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What gland does the carotid enter after origination of the posterior auricular?
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The lower portion of the parotid salivary gland.
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How does the carotid artery travel within the gland?
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Upwards, then gives off it's two terminals- superficial temporal and maxillary.
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Which of the 8 arteries extends out of the gland?
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Superficial temporal. All studied branches occur ourside of gland.
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What are the branches of the superficial temporal artery?
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Transverse facial (anatimoses with angular artery), zygomaticoorbital or zygomatic, middle temporal, frontal (anterior temporal), and parietal scalp branches.
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Which branches does the superficial temporal anastomse with?
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Ophthalmic
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What is Giant Cell or Temporal Arteritis?
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disease of the superficial temporal, spreading into the orbit since anastomoses occurs between superficial temporal and ophthalmic.
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What are the symptoms of Giant Cell or Temporal Arteritis?
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Jaw claudication (pain), wind/touch to area causing pain.
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Which carotid artery is the largest terminal?
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Maxillary
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Does the Maxillary artery run more deep or superficial?
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Deep, divided into three parts.
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What is the pathway of the first part of the maxillary artery?
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Originates in parotid area of skull, then through the infratemporal fossa until it crosses sphenomandibular ligament becoming the second part.
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What is the pathway of the second part of the maxillary artery?
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Ascending obliquely near lateral pterygoid muscle of infratemporal fossa.
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What is the pathway of the third part of the maxillary artery?
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Pterygopalatine fossa.
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What are the three branches of the first part of the maxillary artery?
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Inferior alveolar (lower teeth and chin as mental artery via mental foramen), Accessory meningeal (cranium via foramen ovale), middle meningeal (cranium via foramen spinosum)
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What muscles do the second part of the maxillary artery supply?
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Muscle of mastication and buccinator. Deep temporals (temporalis muscle), pterygoids (pterygoid muscles), masseteric artery (masseter muscle), buccal (buccinator).
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Of the braches of the third part of the maxillary artery, which travels the same named foramina to the upper teeth?
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Posterior superior alveolar.
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Of the branches of the third part of the Maxillary artery, which travels to the Vidian nerve. What is the Vidian nerve?
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Artery of pterygoid canal; preganglionic of CN VII for lacrimal gland.
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Where does the desecending palatine go, of the third part of the Maxillary artery?
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lesser and greater palatine foramina, to the palate, gums, and next to nasal cavity via the incisive canal.
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Of Maxillary artery (part III), where does the infraborbital branch?
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2 striated muscles of the orbit, then to infraorbital canal in floor of orbit.
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Of Maxillary artery (part III), where does the infraborbital branch after entering the infraorbital canal?
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Down anterior superior alveolar to front upper teeth.
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Of Maxillary artery (part III), the infraborbital foramen on the face divides into which 3 branches?
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labial (lips), palpebral (eyelids), and nasal branches.
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Where does the maxillary artery terminate?
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Spenopalatine (which passes in same named foramen to nasal cavity).
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The maxillary and its middle meningeal branch is important to what?
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Blood supply to orbit and to brain damage
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Name the 4 main branches of the maxillary artery.
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Middle meningeal, frontal, parietal, middle meningeal.
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Of the maxillary artery, where does the middle meningeal enter?
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Foramen spinosum
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Of the maxillary artery, where does the Frontal branch travel to?
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Pterion.
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Of the maxillary artery, where does the Parietal branch travel to?
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Parietal area.
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Of the maxillary artery, where does the middle meningeal branch travel?
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Towards superior orbital fissure, anastomoses with recurrent meningeal of lacrimal of ophthalmic near brain side of SOF.
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What is the result of brone fractures in the pterion area of the skull?
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Severing of middle meningeal branches, causing epidurmal hematoma and brain damage.
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