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Chapter 8-The Nervous System
Key terms and review
32
Medical
Graduate
01/27/2011

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Term
NUEROGLIA
Definition
SUPPORTING CELLS.
Term
AUTONOMIC NERVOUS SYSTEM
Definition
CONTROLS SMOOTH AND CARDIAC MUSCLE, GLANDS AND FAT CELLS.
Term
SENSORY NUERONS
Definition
AFFERANT DIVISION OF THE PNS.
Term
DUAL INNERVATION
Definition
OPPOSING EFFECTS.
Term
GANGLIA
Definition
MASSES OF NUERON CELL BODIES.
Term
OLIGODENDROCYTES
Definition
COVER CNS AXONS WITH MYELIN.
Term
ASCENDING TRACTS
Definition
CARRY SENSORY INFORMATION TO THE BRAIN.
Term
DESCENDING TRACTS
Definition
CARRY MOTOR COMMANDS TO THE SPINAL CORD.
Term
SALTATORY PROPAGATION
Definition
OCCURS ALONG MYELINATED AXONS.
Term
CONTINUOUS PROPAGATION
Definition
OCCURS ALONG UNMYELINATED AXONS.
Term
DURA MATTER
Definition
OUTERMOST COVERING OF BRAIN AND SPINAL CORD.
Term
MONOSYNAPTIC REFLEX
Definition
STRETCH REFLEX
Term
SYMPATHETIC DIVISION
Definition
"FIGHT OR FLIGHT"
Term
CEREBELLUM
Definition
MAINTAINS MUSCLE TONE AND POSTURE.
Term
SOMATIC NERVOUS SYSTEM
Definition
CONTROLS CONTRACTION OF SKELETAL MUSCLES.
Term
HYPOTHALAMUS
Definition
LINK BETWEEN NERVOUS AND ENDOCRINE SYSTEM.
Term
MEDULLA OBLONGATA
Definition
CONNECTS THE BRAIN TO THE SPINAL CORD.
Term
CHOROID PLEXUS
Definition
PRODUCTION OF CSF.
Term
PARASYMPATHETIC DIVISION
Definition
"REST AND REPOSE"
Term
MOTOR NUERONS
Definition
EFFERANT DIVISION OF THE PNS
Term
REGULATION BY THE NERVOUS SYSTEM PROVIDES
Definition
SWIFT BUT BRIEF RESPONSE TO STIMULI
Term
ALL THE MOTOR NUERONS THAT CONTROL SKELETAL MUSCLES ARE
Definition
MULTIPOLAR NUERONS
Term
DEPOLARAZATION OF A NUERON CELL MEMBRANE WILL SHIFT THE MEMBRANE POTENTIAL TOWARD
Definition
0 mV
Term
THE STRUCURAL AND FUNCTIONAL LINK BETWEEN THE CEREBRAL HEMISPHERES AND THE COMPONANTS OF THE BRAIN STEM ARE
Definition
DIENCEPHALON
Term
THE VENTRICLES IN THE BRAIN ARE FILLED WITH
Definition
CEREBROSPINAL FLUID
Term
READING, WRITING AND SPEAKING ARE DEPENDENT ON PROCESSING IN THE
Definition
LEFT CEREBRAL HEMISPHERE
Term
ESTABLISHMENT OF EMOTIONAL STATES AND RELATED BEHAVIORAL DRIVES ARE FUNCTIONS OF THE
Definition
LIMBIC SYSTEM
Term
THE FINAL RELAY POINT FOR ASCENDING SENSORY INFORMATION THAT WILL BE PROJECTED TO THE PRIMARY SENSORY CORTEX IS THE
Definition
THALAMUS
Term
SPINAL NERVES ARE CALLED MIXED NERVES BECAUSE THEY
Definition
CONTAIN SENSORY AND MOTOR FIBERS
Term
THERE IS ALWAYS A SYNAPSE BETWEEN THE CNS AND THE PERIPHERAL EFFECTOR IN
Definition
THE ANS
Term
APPROXIMATELY 75% OF THE PARASYMPATHETIC OUTFLOW IS PROVIDED BY THE
Definition
VAGUS NERVE
Term
THE LOSS OF POSITIVE IONS FROM THE INTERIOR OF A NUERON PRODUCES
Definition
HYPERPOLARIZATION
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