Blood Supply Of The Head And Neck Flashcards
What is the continuation of the internal mammary artery called?
Superior epigastric
The internal jugular lies lateral to the common carotid.
True or false.
True
Where does the common carotid artery bifurcate?
The superior border of the thyroid cartilage
Name 2 nerves that can be accessed via the carotid triangle.
Hypoglossal and vagus
Describe the route of the internal carotid artery as it becomes intracranial.
Through carotid canal
Turns medially and horizontally
S shaped bend
Through cavernous sinus
Name the branches of the ECA.
Superior thyroid Lingual Facial Ascending pharyngeal Occipital Post auricular
Maxillary and superficial temporal (terminal branches)
Describe the 5 arteries that compromise the blood supply to the scalp.
Supra-orbital
Supra-trochlear
Superficial temporal
Occipital
Post auricular
Superior orbital is more medial than superior trochlear.
True or false?
False
What arteries supply the superficial face?
Facial Superior labial Inferior labial Angular Lateral nasal branch
Superior trochlear
Superior orbital
Name 5 arteries that contribute to kiesselbach’s area.
Through what does the greater palatine enter the nasal cavity?
Septal branch of sphenopalatine Posterior ethmoidal Anterior ethmoidal Septal branch of superior labial Greater palatine
Incisive canal
What should be done to maintain blood supply in craniotomy?
Bone and scalp flap should be positioned downwards to preserve blood supply.
Where does the angular vein form and through combination of what 2 veins?
What does it drain into?
Supraorbital and supratrochlear veins uniting at medial angle of the eye
facial vein
Name 3 veins which drain the scalp.
Superficial temporal
Occipital
Posterior auricular
Where is retromandibular vein found?
Parotid gland
What 2 veins form the external jugular vein?
Posterior division of retromandibular vein and posterior auricular vein
