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11 CRANIAL NERVES

CRANIAL NEVES

QuestionAnswer
SPINAL CORD IS A CONTINUATION OF BRAIN STEM.
LUMBAR PUNCTURE A HOLLOW NEEDLE IS INSERTED INTO THE SUBARACHNOID SPACE, BETWEEN L3AND L4
GREY MATTER (CROSS SECTION OF THE SPINAL CORD)LOCATED IN THE CENTER AND SHAPED LIKE A BUTTERFLY. COMPOSED OF CELL BODIES, INTERNEURONS AND SYNAPSES.
CENTRAL CANAL AN OPENING OR HOLE THAT EXTENDS THE ENTIRE LENGTH OF THE SPINAL CORD.
WHITE MATTER COMPOSED OF MYELINATED AND UNMYELINATED AXONS
NEURAL AXONS GROUPED TOGETHER SENSORY AND MOTOR NERVE TRACTS
SENSORY TRACTS THAT CARRY INFORMATION FROM THE PERIPHERY, UP THE SPINAL CORD, AND TOWARD THE BRAIN ASCENDING TRACTS
THE SPINALTHALMIC TRACT IS AN EXAMPLE OF AN ASCENDING TRACT
DECENDING TRACTS MOTOR TRACTS CARRY INFORMATION FROM THE BRAIN TO THE PERIPHERY
THE MAJOR DECENDING TRACTS PYRAMIDAL (CORTICOSPINAL TRACT) AND EXTRAPYRAMIDAL TRACTS
DECUSSATE CROSS OVER
ATTACHED TO THE SPINAL CORD ARE THE SPINAL NERVES
THE CELL BODIES OF THE SENSORY FIBERS ARE GATHERED TOGETHER IN THE DORSAL ROOT GANGLIA
VENTRAL ROOT IS COMPOSED OF MOTOR FIBERS
SPINAL NERVES CONTAIN BOTH SENSORY AND MOTOR FIBERS, ALL SPINAL NERVES ARE? MIXED NERVES
THE SPINAL CORD SERVES THREE MAJOR FUNCTIONS... SENSORY PATHWAY, MOTOR PATHWAY, AND REFLEX CENTER
SENSORY PATHWAY THE SPINAL CORD PROVIDES A PATHWAY FOR SENSORY INFORMATIONTAVELING FROM THE PERIPHERY TO THE BRAIN. EX FINGER PRICK- FINGER-ASCENDS SPINAL CORD TO THE BRAIN
A REFLEX IS? AN INVOLUNTARY RESPOSE TO A STIMULUS.
PATELLAR TENDON OR KNEE JERK REFLEX QUADRICEPS LIGAMENT BELOW YOUR KNEE CAP. HELPS MAINTAIN AN UPRIGHT POSITION.
WITHDRAWAL REFLEX HELPS PROTECT YOU FROM INJURY EX. QUICKLY MOVES YOUR FINGER AWAY FROM A HOT IRON
PUPILLARY REFLEX REGULATES THE AMOUNT OF LIGHT THAT ENTERS THE EYE
BARORECEPTOR REFLEX HEART AND BLOOD VESSELS RESPONED TO REGULATE BLOOD PRESSURE TO NORMAL
BABINSKI REFLEX STROKING LATERAL SOLE, HEAL TO TOE RESULTING IN PLANTAR FLEXION.
Created by: veronicasauceda