Term
THE CIRCLE OF WILLIS EXISTS OF THE INFERIOR SURFACE OF THE BRAIN AND SURROUNDS WHAT 2 STRUCTURES? |
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Definition
IT SURROUNDS THE PITUITARY GLAND AND THE OPTIC CHIASM |
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Term
WHAT IS THE X SHAPE STRUCTURE CALLED THAT IS INSIDE OF THE CIRCLE OF WILLIS? |
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Definition
IT IS THE OPTIC CHIASM THAT HAS THE LEFT AND RIGHT OPTIC NERVE WHICH COME TOGETHER JUST ANTERIOR TO THE INFUNDIBULUM AND THE PITUITARY STALK. |
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Term
WHAT ARE THE 2 MAIN ARTERIES ON THE RIGHT AND LEFT SIDE OF THE PITUITARY GLAND? |
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Definition
THE INTERNAL CAROTID ARTERIES |
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Term
WHERE DOES THE INTERNAL CAROTID ARTERIES BRANCH OFF ONCE IT ENTERS INTO THE CIRCLE OF WILLIS? |
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Definition
IS HAS OPTHALMIC ARTERIES, IT BRANCHES OFF INTO THE ANTERIOR CEREBRAL THAT IS GOING TO RUN TOWARDS THE FRONTAL LOBE, THE MIDDLE CEREBRAL THAT IS GOING TO SUPPLY A MAJORITY OF THE LATERAL ASPECTS OF THE CEREBRAL HEMISPHERS, AND THE POSTERIOR COMMUNICATING. |
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Term
WHERE DOES THE POSTERIOR CEREBRAL VESSELS COME TOGETHER TO FORM? |
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Definition
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Term
WHAT DOES THE BASILAR ARTERY FOLLOW? |
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Definition
THE INFERIOR OR ANTERIOR SURFACE ON THE MIDLINE OF THE PONS. AT THE TERMINAL ENS, OF THE BASILAR ARTERY IT BIFURCATES INTO 2 VERTEBRAL ARTERIES. |
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Term
WHERE DOES THE VERTEBRAL ARTERIES BEGIN AT? |
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Definition
THE SUBCLAVIN ARTERY AND ENTER INTO THE TRANSVERSE FORAMEN OF THE CERVICAL VERTEBRA. THEY THEN RUN UPWARDS TO C1 AND THEN ENTER INTO THE CRANIAL VAULT VIA THE FORAMEN MAGNUM. |
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Term
WHAT 2 ARTERIES DOES BLOOD SUPPLY TO THE BRAIN TAKE PLACE? |
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Definition
THE INTERNAL CAROTID ARTERIES (FRONT BLOOD SUPPLY) AS WELL AS FROM THE VERTEBRAL ARTERIES (BACK BLOOD SUPPLY) |
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Term
DESCRIBE THE PATHWAY OF THE INTERNAL CAROTID ARTERY. |
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Definition
IT TRAVELS UPWARD AND ENTERS THE CRANIAL VAULT VIA THE CRANIAL CANAL. AS SOON AS THEY ENTER INTO THE CRANIAL VAULT, THEY TURN MEDIALLY AND ANTERIORLY. THEY BEGIN TO MOVE TOWARD THE MIDLINE IN AN ANTERIOR FASHION. THEY RUN DIRECETLY ANTERIORLY, PASSING TO THE LEFT AND THE RIGHT OF THE PITUITARY GLAND. THEY PROGRESS TO THE SPHENOID BONE, WHERE THEY ARE STOPPED AND MUST MAKE A 180 DEGREE TURN. AFTER THE 180 DEGREE TURN, THEY TRAVEL A SHORT DISTANCE THEN MOVE SUPERIORLY TO JOIN THE CIRCLE OF WILLIS. |
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Term
THE INTERNAL CAROTID ARTERY RUNS ANTERIORLY VIA THE ____, UNTIL IT HITS THE SPHENOID BONE, THEN TURNS AROUND 180 DEGREES, AND COMES BACK VIA THE ____ PORTION. |
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Definition
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Term
WHAT IS THE ORGAN MEDIAL TO THE INTERNAL CAROTID ARTERIES THAT GO TOWARD THE SPHENOID BONE? |
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Definition
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Term
WHAT OTHER STRUCTURES ALSO LIE IN THE CAVERNOUS SINUS? |
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Definition
THE OCULOMOTOR, TROCHLEAR, ABDUCENES, OPTHALMIC, AND MAXILLARY NERVES |
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Term
DESCRIBE THE ANTERIOR SPINAL ARTERY. |
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Definition
IT BRANCHES FROM EACH SIDE OF THE VERTEBRAL ARTERIES TO FORM THE ANTERIOR SPINAL ARTERY WHICH SUPPLIED THE ANTERIOR PART OF THE SPINAL CORD WITH BLOOD. ATUALLY SUPPLIES 80% OF THE SPINAL CORD WITH BLOOD. |
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Term
DESCRIBE THE POSTERIOR SPINAL ARTERIES. |
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Definition
THESE 2 COMES OFF OF THE VERTEBRAL ARTERY AS WELL AND WRAP AROUND THE BRAINSTEM AND THEN FORM THE LEFT AND RIGHT POSTERIOR SPINAL ARTERIES. THESE ARTERIES SUPPLY THEIR RESPECTIVE DORSAL COLUMNS BLOOD SUPPLY. |
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Term
WHERE DOES BLOOD SUPPLY TO THE SPINAL CORD BEGIN AT? |
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Definition
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Term
WHAT ARE THE ARTERIES THAT COME OFF OF THE BASILAR ARTERY AND WHERE DO THEY GO TO? |
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Definition
THE SUPERIOR CEREBELLAR ARTERY, ANTERIOER INFERIOR CEREBELLAR ARTERY, AND THE POSTERIOR INFERIOR CEREBELLAR ARTERY SUPPLYS BLOOD TO THE BRAINSTEM. |
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Term
WHERE DOES THE MINOR BRANCHES OF THE BASILAR ARTERY THAT AREN'T NAMED SUPPLY THE BLOOD TO? |
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Definition
THE BRAINSTEM (PONS) OR THE CARDIOVASCULAR AND RESPIRATORY CENTERS IN THE BRAIN. |
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Term
WHERE DOES THE LABYRINTHINE ARTERY OFF OF THE BASILAR ARTERY SUPPLY BLOOD TO? |
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Definition
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Term
WHERE DOES THE ANTERIOR CEREBRAL ARTERY SUPPLY BLOOD TO? |
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Definition
SUPPLIES THE INSIDE, OR THE MEDIAL ASPECT OF THE CEREBRAL HEMISPHERES. IT DOES ALSO SUPPLY A SMALL PORTION OF THE BLOOD TO THE FRONTAL LOBE, BUT THE MAJORITY SUPPLIES TJE MEDIAL ASPECT OF THE CEREBRAL HEMISPHERES. |
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Term
WHERE DOES THE MIDDLE CEREBRAL ARTERY SUPPLY BLOOD TO? |
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Definition
SUPPLIES A MAJORITY OF THE LATERAL PORTIONS OF THE CEREBRAL HEMISPHERES. |
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Term
WHERE DOES THE POSTERIOR CEREBRAL ARTERY SUPPLY BLOOD TO? |
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Definition
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Term
WHERE DOES THE FACIAL NERVE EXIT THROUGH? |
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Definition
THE STYLOMASTOID FORAMEN. IT IS LOCATED BETWEEN THE MASTOID PROCESS AND THS STYLOID PROCESS. |
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Term
WHAT ARE THE 5 FACIAL NERVES? |
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Definition
TEMPORAL, ZYGOMATIC, BUCCAL, MANDIBULAR, CERVICAL |
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Term
WHAT DOES THE OLFACTORY NERVE AND OPTIC NERVE EXIT? |
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Definition
THE OLFACTORY AT THE OLFACTORY FORAMINA, THE OPTIC AT THE OPTIC CANAL |
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Term
WHERE DOES THE OCCULOMOTOR, TROCHLEAR, OPTHALMIC, AND ABDUCENS NERVES EXIT AT? |
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Definition
THE SUPERIOR ORBITAL FISSURE |
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Term
WHERE DOES THE MAXILLARY AND MANDIBULAR NERVES EXIT AT? |
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Definition
MAXILLARY IS THE FORAMEN ROTUNDUM AND THE MANDIBULAR IS THE FORAMEN OVALE |
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Term
WHERE DOES THE FACIAL NERVE EXIT? |
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Definition
THE FACIAL CANAL AND THE STYLOMASTOID FORAMEN |
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Term
WHERE DOES THE AUDITORY AND HYPOGLOSSAL NERVE EXIT? |
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Definition
THE AUDITORY EXITS AT THE INTERNAL ACOUTIC MEATUS AND THE HYPOGLOSSAL EXITS AT THE HYPOGLOSSAL CANAL |
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Term
WHERE DOES THE GLOSSOPHARYNGEAL, BAGUS, AND THE SPINAL ACCESSORY NERVES EXIT AT? |
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Definition
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Term
WHAT IS THE CRANIAL EXIT FOR THE OLFACTORY NERVE? |
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Definition
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Term
WHAT DOES THE LATERAL GENICULATE NECLUES DO? |
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Definition
GIVES OFF FIBERS TO THE OCCIPITAL LOBE |
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Term
WHERE IS THE RIGHT LATERAL FIELD OF VISION SENSED BY? |
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Definition
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Term
WHERE IS THE RIGHT NASAL FIELD SENSED BY? |
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Definition
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Term
WHICH EYE FIELDS DECCUSATE? |
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Definition
THE LATERAL RETINA DOES NOT DECUSSATE. THE MEDIAL RETINA DOES DECUSSATE TO THE OTHER SIDE. |
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Term
WHAT HAPPENS OF THERE IS DAMAGE TO THE OPTIC NERVE? |
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Definition
YOU END UP WITH MONOCULAR BLINDNESS. |
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Term
IF THERE IS DAMAGE TO THE OPTIC CHIASM IT CAUSES LOSS OF PERIPHERAL FIELDS OF VISION. WHAT IS THAT CALLED? |
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Definition
BITEMPORAL HEMIANOPSIA (TUNNEL VISION). |
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Term
DESCTRIVE HOMONOYMOUS HEMANOPSIA. |
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Definition
BLINDNESS ON ONE SIDE OF BOTH EYES IF THERE IS DAMAGE TO THE OPTIC TRACTS. |
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