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FUNCTIONS OF THE NERVOUS SYSTEM
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THE 2 MAIN PARTS OF THE NERVOUS SYSTEM
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WHAT DOES THE CNS CONTAIN
BRAIN, SPINAL CORD
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INTEGRATION AND COMMAND CENTER
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THE PNS CONSISTS OF
PAIRED SPINAL AND CRANIAL NERVES
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FUNCTIONS OF THE PNS
CARRIES MESSAGES TO AND FROM THE SPINAL CORD AND BRAIN
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NAME THE 2 DIVISONS OF THE PNS
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2 TYPES OF FIBERS OF THE AFFERENT(sensory)DIVISION
SENSORY - CARRY IMPULSES FROM SKIN, SKELETAL MUSCLES, AND JOINTS TO THE BRIAN
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FUNCTION OF THE MOTOR(efferent) DIVISION
TRANSMITS IMPULSES FROM THE CNS TO CERTAIN TARGET ORGANS CALLED EFFECTOR ORGANS
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NS WHICH IS VOLUNTARY
SOMATIC
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FUNCTION OF HTE SOMATIC NS
CONSCIOUS CONTROLS SKELETAL MUSCLES
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FUNTCTIONS OF AUTONOMIC NS
REGUALTES SMOOTH MUSCLE , CARDIAC MUSCLE, AND GLANDS
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DIVISIONS OF THE AUTONOMIC NS
- SYMPATHETIC
- PARASYMATHETIC
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FUNCTION OF THE SYMPATHETIC ANS
MOBILIZES BODY SYSTEMS DURING ACTIVITY
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FUNCTION OF THE PARASYMATHETIC ANS
CONSERVES ENRGY; PROMOTES HOUSEKEEPING FUNCTIONS DURING REST
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2 MAIN TYPES OF CELLS
NEURONS, SUPPORTING CELLS
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OTHER NAME FOR SUPPORTING CELLS
NEUROGLIA, OR GLIAL CELLS
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FUNCTION OF THE NEUROGLIA, OR GLIAL CELLS
- PROVIDE SUPPORTIVE SCAFFOLDING FOR NEURONS
- SEGRETE & INSULATE NEURONS
- GUIDE YOUNG NEURONS TO PROPER CONNECTIONS
- PROMOTE HEALTH AND GROWTH
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ANOTHER NAME FOR NEUROGLIA
GLIAL CELLS
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WHAT IS AN OLIGODENROCYTE
BRANCHED CELLS THAT WRAP CNS NERVE FIBERS
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WHAT ARE SCHWANN CELLS
SOURROUND FIBERS OF THE PNS
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WHAT IS A MICROGLIA
SMALL, OVOID PHAGOCYTIC CELLS THAT MONITOR THE HEALTH OF NEURONS
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WHAT ARE ASTROCYTES
MOST ABUNDANT, VERSATILE, AND HIGHLY BRANCHED GLIAL CELLS
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WHAT ARE EPENDYMAL CELLS
RANGE IN SHAPE FROM SQUAMOUS TO COLUMNAR AND LINE THE CENTRAL CAVITITES OF THE BRAIN AND SPINAL COLUMN
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WHAT ARE SATELLITE CELLS
SURROUND NEURON CELL BODIES WITH GANGLIA
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FUNCTIONS OF ASTROCYTES
- SUPPORT & BRACE NEURONS
- ANCHOR NEURONS
- GUIDE MIGRATION OF YOUNG NEURONS
- CONTROL CHEMICAL ENV.
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WHAT IS A NEURON
- STRUCTURAL UNITS FOR THE NS
- COMPOSED OF A BODY, AXON, AND DENDRITES
- LONG-LIVED,AMITOTIC, AND HAVE A HIGH MEATABOLIC RATE
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NEURON PLASMA MEMBRANE FUNCTIONS IN
- ELECTRIC SIGNALING
- CELL TO CELL SIGNALING DURING DEVELOPMENT
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WHAT IS SINGLE STRUCTURE ON EACH NEURON ALSO KNOWN AS A NERVE FIBER; GENERATES & TRANSMITS NERVE IMPULSES
AXON
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SHORT,BRANCHING STRUCTURES RESPONSIBLE PRIMARLY FOR RECEPTION OR INPUT
DENDRITES
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ROUGH ENDOPLASMIC RETICULUM
NISSL BODIES
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WHITISH-FATTY PROTEIN MATERIAL THAT PROTECTS AND INSULATES FIBERS AND INCREASES THE SPEED OF NERVE TRANSMISSION
MYELIN SHEATH
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A PORTION OF A SCHWANN CELL
NEURILEMMA
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DISORDER IN WHICH MYELIN SHEATHS ARE GRADUALLY DESTROYED AND CAUSE SHORT CIRCUITING AND EVENTUALLY IMPULSE CONDUCTION CEASES
MULTIPLE SCLEROSIS (MS)
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ELECTRICAL AND CHEMICAL SIGNALS
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THE GAP BETWEEN NEURONS IS
SYNAPSE
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WHAT TYPE OF CHEMICAL HELPS CONDUCTION OF NERVE IMPULSES
NEUROTRANSMITTERS
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NEUROTRANSMITTER THAT TRIGGERS MUSCLE CONTRACTION & STIMULATES THE EXCRETION OF CERTAIN HORMONES
ACETYLCHOLINE
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NEUROTRANSMITTER THAT IS AN INHIBITORY INVOLVED IN CONTROLLING MOVEMENT AND POSTURE
DOPAMINE
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NEUROTRANSMITTER THAT IS IMPORTANT FOR ATTENTIVENESS, EMOTIONS SLEEPING, DREAMING, AND LEARING
NOREPINEPHRINE
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NEUROTRANSMITTER THAT CONTRIBUTES TO VARIOUS FUNCTIONS, SUCH AS REGULATING BODY TEMPERATURE, SLEEP MOOD, APETITE, AND PAIN
SEROTONIN
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IF A PATIENT IS KNOWN TO ALZHEIMER'S WHAT NEUROTRANSMITTER IS LACKING
ACETYCHOLINE
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IF A PATIENT HAS A MANIC DEPRESSIO, WHAT NEUROTRANSMITTER IS NOT PROPERLY BALANCED
NOREPINEPHRINE
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A PATIENT DISPLAYING SUICIDAL BEHAVIOR, AGGRESION,AND CLINICAL DEPRESSION IS LACKING WHAT NERUTRANSMITTER
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A PATIENT WITH MUSCLE RIGIDITY IS LACKING WHAT TYPE OF NEUROTRANSMITTER
DOPAMINE
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