GENERAL Flashcards
WHAT SUPPLIES THE ANTERIOR CIRCULATION?
ICA
WHAT SUPPLIES THE POSTERIOR CIRCULATION?
VA & BA
FROM THE AORTIC ARCH, HOW MANY ARTERIES GIVE RISE TO SUPPLY BLOOD TO BRAIN?
4
WHAT DO THE COMMON CAROTID ARTERIES BIFURCATE INTO?
EXTERNAL CCA & INTERNAL CCA
WHAT DOES THE EXTERNAL CCA SUPPLY BLOOD TO?
FACE, NECK, SCALP & PART MENINGES
WHAT DOES THE INTERNAL CCA SUPPLY BLOOD TO?
THE BRAIN AND EYES
WHAT ARE THE 8 BRANCHES OF THE ECA?
1) SUPERIOR THYROID
2) ASCENDING PHARYNGEAL
3) LINGUAL
4) FACIAL
5) OCCIPITAL
6) POSTERIOR AURICULAR
7) MAXILLARY
8) SUPERIOR TEMPORAL
WHAT DOES THE ICA BIFURCATE INTO?
ANTERIOR & MIDDLE CEREBRAL
WHAT ARE THE 7 SEGMENTS THAT THE ICA DIVIDES INTO?
C-P-L-C-C-O-C
CERVICAL - PETROUS - LACERUM - CAVERNOUS - CLINOID - OPTHALMIC - COMMUNICATING
WHAT DOES THE CIRCLE OF WILLIS CONSIST OF?
BILATERALLY PAIRED; ACA ICA PCA POSTERIOR CEREBRAL
UNILATERAL; ANTERIOR COMMUNICATING
WHAT IS THE FUNCTION OF THE CoW?
REDUNDANCY OF COLLATERAL CIRCULATION/CROSS PERFUSION
DISTRIBUTION OF BLOOD VESSELS