abs	absent
APA	ascending pharyngeal artery
CB	carotid bifurcation
CCA	common carotid artery
CEA	carotid endarterectomy
ECA	external carotid artery
FA	facial artery
ICA	internal carotid artery
IJV	internal jugular vein
IPS	inferior petrosal sinus
LA	lingual artery
LFT	linguofacial trunk
OA	occipital artery
OPT	occipitopharyngeal trunk
SCM	sternocleidomastoid
STA	superior thyroid artery
TLT	thyrolingual trunk