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external carotid artery

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
external carotid artery,
one of a pair of arteries with eight major temporal or maxillary branches, rising from the common carotid arteries. It supplies various parts and tissues of the head and neck.


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The typical form of presentation is a painless slow-growing mass, that can bulge into pharynx or extend into parapharyngeal space and can splay internal and external carotid artery ("lyre" sign, Fig.
In the event that the vertical segment of the ICA regresses or does not develop, a communication persists between it and the external carotid artery, which is derived from the second branchial arch.
For instance the mnemonic to help you remember the eight branches of the external carotid artery (in order starting with the first branch, the superior thyroid artery) goes like this: Sally Ann Likes Flirting On Philadelphia's Main Street.
 
 
 
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