Term
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Definition
CNS=Centeral Nervouse Sysytem
S:Brain and Spinal Cord
F:Intagrative Control Center
PNS=Periphialle Nervouse System
S:Cranial and Spinal Nerves
F:Comuncation lines between the CNS and rest of Body |
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Definition
| Ions are equall at Neuron membrane (even in and out)< |
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| electrical event at ONE end of the Nurons membrane (travels along axon to towards synapse) |
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| Specail Junction in wich a neuron communicates with a Target cell Chemical or electrial impuls passes over NMJ |
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| Membrane of cell that releases Neurotransmitters |
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| Membrane that reciveres the signial from Precleft recving transmitions |
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| The Cleft seperating Pre and Post |
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| Proccess of action occuring through System |
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Definition
1. Input
2. Chances of sensory receptors into Electrical Receptions and sent to CNS
3.Intergration occurers
4.Based on this a plan of action is made
5. Motor Output action is carreid out |
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Definition
Skeletal
Musculer
Viserial Organs |
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Definition
MultiPolar Neuron: Many Dendrites one axon
BiPolar Neuron: One Dendrite&Axon Attached to one Cell Body
Unipolar:One Process from cell body (the Axon)Branches to contact recpetors in Brain and SpinalCord |
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| This Nuron is multipolar and connects other nurons togathere like Sensort to Motor |
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Definition
| is Unipolar connects PNS to CNS |
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Definition
| Associated with Neurons, provide support and protection |
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Definition
| GLia Cells of the CNS regulate Chemicals in and around the Neuron |
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Definition
| Glia of the CNS moniter and assienting in the overall health fo a neuron |
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Definition
| Glia cells of cns wrap around Neuron fibers (mylin sheeth) |
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| Cells of the PNS very unkown regulate enviorment around Neuron |
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| Glia cells surrounding nerve fibers forming myelin sheeth Surround PNS Axon Shields axon |
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Definition
Specialized cells that carrie and conduct messages through electrical impulse throughout the body
Function:Lifetime operation, atomic, High Metabolic rate consume o2 and glucose |
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Definition
Neurofibrils
Pigment
Lipofusion |
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Definition
Nucli:Clusters of cell bodys in the cns
Ganglia: CLusters of cell bodys in the PNS |
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Procces in the CNS are called tracts
Procceses i teh PNS are called Nerves |
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Definition
SHort Branching procees
Most Have Organnels found in cell body
Recive input Graded impuluse (dr.p Lights on off) |
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Definition
| Same strucutr as cell body msgs must go through here |
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| Thick connective tissue nerve is sourround each individual nerve |
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| Group of axos enshiethied in the folds of a sheath cell, Sheath cells are schwan cells in PNS and oligandentires in CNS |
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| What dose Pernierium sorround |
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Definition
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Definition
| Recticuler CT surrounds each Axon |
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Definition
Small: usally sheethed by one fold not mylniaited
Largea syhthed by multiple complex sheeths with plasmammbrane are mylinated |
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Definition
| Insultates axon sppeds up msg |
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Term
| unmylainted vs mylainted fibers |
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Definition
Mylinated: White matter
Unmylinated:gray matter |
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Term
| Mylain Sheeth and Nueroliema |
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Definition
Shwan cells wrap Axon in PNS
Nueroliema out conists of cytoplsam and shwan nuules mylain sheeth is inside |
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Definition
| Type of Glia Cell wraps around mylinated and nonmylinated axons keepign them alive |
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| Are Schwan Cells are from the mylain sheeth this fatty seeth is not countinouses and is much like a rivier |
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| Curical for surviviial mantain axons |
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Neurotramsion=the communcation between to neuons
Understand NMJ and how the jump changes singnials Electrical and chemical transmissons |
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| repolorizing and Depolorizing |
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Definition
Repoloaring is the resing stage
Depolorizing is traducing the singla or reducing |
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Definition
Bot-Top
1. Spinal Cord-Sensory Organs
2.BrainStem Regions
3.Cerbral Cortex
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Definition
8 Cervical
12t horaci
5 lumbar
5 Scarcal
1 cocyal |
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Definition
| Tranmist messages involved in the special senses |
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| impulses transmist to move muscle more generalized |
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Definition
Sourrounded by three mannigeis
Dura matter
archnamatter
pia matter
31 pairs of spinal Nerve |
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Definition
| there is a inner core of Gray matter and a outer of White gray horns resemble a H nerved cells here |
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Definition
Dosral half Senory roots and ganglia
Venrtil=Motor roots
fuse to form nerves
4 regions
1. Somatic Sensory
2. Somatic Motor
3.Viseral senroy
4.Viseral motor |
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Definition
Is for reactions (burning hand) causes a reaction from the motor before brain notices
1.Sensory receptor
2. afferaent nueron
3.Internuron
4.Efferent Neuron
5. Effector Orggen |
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| Autonomic Nervouse system |
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Definition
How interal organs are controlled CNS & PNS
Sympathetic acting
parasymathetic Recouping |
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Definition
| Flight or fight repsonse increase in BP adranaline influx |
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Definition
| Brings the body back to homeostasis |
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Definition
fissure: Deep grove ssubdivides cerebral hemisphere
gyri Folds on cortex that incrases surfac area
Sulci: shallow depression near hyri and in cerbreal cortex |
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| Thining and vouluntary momvemnts outter most layer |
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Definition
| Sepperates spinal cord and rest of brain Sleep and and breathing |
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| back of brain used for balance (alchole) |
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Definition
| Well protected at the "center" cerrebellum formen and brain stem here |
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| Sanwiched between fore and hind brain all senseory and motor info acts as a relay |
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| mini brain almost motor memories and corination punjukie cells |
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Definition
CSf is contained within a system of fluid filled cavites called ventricales attched via spinal cord.
Two lat ventricles in cerebrum
third ventricle below lat ventircale The Fourht is between erebellum and the pons |
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Definition
| forebrain subdivides to form telencephaslon and diencephalon telencephalon givees us cerebrum diencephalon gives hypothalmaus |
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Definition
| Main endocrine Gland in body |
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Definition
| Small Part of brain above ponsaids with sensory info part of brain stem involved in sleep |
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Definition
Frontal: Motor function and Judgment
Parital handwrinting sensation
temporal hearing memory
occipital vision |
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Definition
Protective membran souroind the brain
Dura mater Outer layer of touch fibrou CT
Arachnoid membrane attaches in the middle attaches ti pia mater
pia mater thin line follows countouers of brain |
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