Vasculature and Lymphatics of the Head & Neck Flashcards
Branches of Internal Carotid Artery
Gives off many branches
Ophthalmic artery
-Anterior ethmoid a.
-Posterior ethmoid a.
Posterior communicating artery
Middle cerebral artery
Anterior cerebral arteryWhere do strokes of the middle cerebral artery usually occur?
Lenticulostriate (“artiers of stroke”)
Branches of the External Carotid artery
Anterior branches 1.Superior thyroid a. 2.Lingual a. 3. Facial a. Medial branch 4. Ascending pharyngeal a. Posterior branches 5. Occipital a. 6. Posterior auricular a. Terminal branches 7. Superficial temporal a. 8. Maxillary a.
Lingual artery is ___to lingual nerve.
inferior
Lingual artery (3)
Dorsal lingual artery
Sublingual artery
Deep lingual artery
Where is terminal branch of the lingual artery?
Deep lingual artery
Dorsal lingual a.
To base and body of tongue, palatine tonsils, epiglottis
Sublingual a
To sublingual gland, mylohyoid, oral floor, oral cavity and lingual gingiva of mandibular teeth
Deep lingual a.
To anterior 1/3 of tongue (apex)
Facial artery
- Supplies the face, including lips and the submandibular gland
- Cervical and facial branches
Facial artery cervical portion includes
Ascending palatine
Tonsillar branch
Submental a.
Facial artery facial portion
Inferior labial a
Superior labial a
Angular a
Lateral (dorsal) nasal a.
maxillary a.
mandibular part
pterygoid part
Pterygopalatine part
mandibular part of maxillary artery
Deep auricular a. Anterior tympanic a. Middle meningeal a. Accessory meningeal a. Inferior alveolar a.
pterygoid part of maxillary artery
Deep temporal branches (anterior and posterior)
Pterygoid branches
Masseteric a.
Buccal (or buccinator) a.
pterygopalatine part of maxillary artery
Posterior superior alveolar a. Infraorbital a. Pharyngeal a. Artery of pterygoid canal Descending palatine a. Sphenopalatine (nasopalatine) a.
Infraorbital a.
ASA (sometimes MSA)
epitaxis
nose bleed
epitaxis due to what artery
spehnopalatine a.
Which of the following veins has a direct connection with the cavernous sinus?
Superior ophthalmic vv.
Inferior ophthalmic vv.
Emissary v.
Superior and inferior petrosal sinuses
Internal or external carotid is anterior?
external
how many branches does external carotid have?
8
What is two terminal branches of external carotid a
dkslfjs
which part of maxillary a feed muscles of mastication?
part 2
cavernous sinus what travels through it?
3,4,V1,V2, 6, internal carotid
6 and internal carotid travel through it while rest is in lateral wall.
No valves in head meaning
easily get infections from teeth to heart
What artieries branch off directly from the aortic arch
Left Common Carotid artery
Left Subclavian
Brachiocephalic
Which arteries supplies oxygen-rich blood to the face?
External carotid artery
Artery that is tortuous and crosses masseter
facial artery
Which blood vessel drains directly into the cavernous sinus?
Opthalmic vein
Supraorbital vein–>superior opthalmic vein–>cavernous sinus–>heart
Lymph nodes of
Submental node
Submandibular node
Pre-auricular and parotid nodes
Deep cervical nodes
Submental node drains into
Anterior mandibular teeth and gingiva
Medial lower lip
Submandibular drains into
All teeth and gingiva except anterior mandibular teeth
Upper lip, lateral lower lip
Anterior 2/3 of tongue
Pre-auricular and parotid nodes
Drain most of eyelids, part of external nose, lateral cheek
Deep cervical nodes
Posterior 1/3 of tongue
Lingual a.
Suprahyoid a.
Dorsal lingual a.
Sublingual a.
Deep lingual a.
Dorsal lingual a.
To base and body of tongue, palatine tonsils, epiglottis
Sublingual a.
To sublingual gland, mylohyoid, oral floor, oral cavity and lingual gingiva of mandibular teeth
Deep lingual a.
Terminal branch
To anterior 1/3 of tongue (apex)
Which artery passes superiorly over the body of the mandible at the masseter m. in a tortuous pattern to supply the face
Facial artery
Passes between anterior and middle scalene?
Subclavian a.
Inferior laryngeal aka
Inferior recurrent laryngeal
What artery travels between hypoglossus and genioglossus?
Lingual a.
Lingual a. crosses what cn?
CN XII
Identify nerve that lingual a. crosses at the proximal root?
Hypoglossal n.
All teeth are supplied by direct or indirect branches of what artery?
maxillary a.
Cavernous sinus is paired and located?
On either side of sella turcica
Cavernous sinus has direct connection to
superior opthalmic v.
inferior opthalmic v.
sphenoidal emissary v.
sup. and inf. petrosal sinuses (dural venous sinuses)
Embedded in lateral wall of cavernous sinus?
CN3, CN4, V1 and V2
What goes through cavernous sinus?
ICA and CN 6
What connects cavernous sinus to pterygoid plexus?
Sphenoidal emissary v.
Swollen submandibular lymph node common cause?
acute infection of teeth
