Neuro Exam 1 2
Terms
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- What is neuroscience?
- is the study of neurons and the pathways they create
-
NAME
this is the study of neurons and the pathways they create - neuroscience
- Neurons create (1)
- pathways
- What are some fields of science that are part of neuroscience?(2)
- (1)neuroanatomy (2)pathology
- What are the differ ways that can study neurosceince? (5)
- (1)molecular (2)celluar (3)systems (4)behavioral (5)cogintive
-
NAME
there are 5 ways to study this: molecular, cellualar, systems, behavioral, and coginitive - neuroscience
- What is the molecular approach to studying neuroscience?
- is the study of ions and neurotransmitters
-
NAME
this is the study of ions and neurotransmitters - the molecular approach to studying neuroscience
- What is the cellular approach to studying neuroscience?
- is the study of differ neuropathways
-
NAME
this is the study of differ neuropathways - is the cellular approach to studying neuroscience
- What do you need neurons for?
- chemical synapse
- What are (2)types of cells in the NS?
- (1)neurons (2)glial cells
-
NAME
there are two types of these cells here: neurons and glial cells - NS
- The NS has two types of cells (1)and (2)
- (1)neurons (2)glial cells
- What is an ion?
- has either a positive or negative charge
-
NAME
this has either a postive or negative charge - ion
- What is molecule?
- is 2 or more atoms linked together w chemical bonds
- What is the differ btwn a ion and a molecule?
- (1)ion-has a postive or negative charge (2)molecule-is 2 or more atoms linked together by chemical bonds
-
NAME
these are the only cells that can tramsit a nerve impulse - neurons
- neurons are the only cells that can (1)
- transmit a nerve impulse
- What are glial cells?
- help neurons by keeping neurotissue together and providing a supportive function
-
NAME
these help neurons by keeping neurptissue together and providing a supportive function - glial cells
- What is the differ btwn neurons and glial cells? (2)
- (1)neurons are the main cells (2)glial cells help neurons
- nerve impulse is also called (1)
- action potential
- the (1)is also called action potential
- nerve impulse
- What is glial cells latin for?
- glue
-
NAME
this is latin for glue - glial cells
- Give an example of a pathway?
- reflex
- Reflex is an example of a (1)
- pathway
- What are 2 pathways that are used in reflex?
- (1)motor and sensory
- Explain the pathways when you extend your knee
- femoral and motor fibers orginate from the lumboscacral plexus which orginates from the spinal cord in the anterior horn
- what nerve supplies the quads muscle expt the rectus femoris?
- femoral nerve
- What is the behavorial approach to studying neurosceince?
- the study of the nervous responses of an organism
-
NAME
this is the stdy of the nervous responses of an organism - behavoral aprroach to neuroscience
- Before you can initiate response you need a (1)
- stimuli
- What is the cogintive appraoch to studying neuroscience?
- study of higher learning functions
-
NAME
this is the study of higher learning functions - the cogintive approach to studying neuroscience
- What are some higher learning functions?(6)
- (1)learning (2)memory (3)planning (4)language (5)intelligence (6)writing (7)
- What are some examples of glial cells? (5)
- (1)astrocytes (2)microgilla (3)schwann cells (4)oligodendrocytes (5)ependymal
- WHat are astrocytes?
- maintain the Blood brain barrier
-
NAME
these glial cells maintian the blood brain barrier - astrocytes
- What are microgilla?
- are phagocytic glial cells
-
NAME
these are phagocytic glial cells - microgilla
- What does phagocytic mean?
- refers to engulfing debris
- What are Schwann cells?
- are glial cells found in the PNS that produce myelin
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NAME
these are glial cells found in the PNS taht produce myelin - Schwann cells
- What are oligodendrocytes?
- are glial cells found in the CNS that produce myelin
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NAME
these are glial cells found in the PNS that produce myelin - Schwann cells
- How are schwann and oligodendrocytes similar?
- they both produce myelin
-
NAME
these glial cells are similar bc the both produce myelin - (1)schwann cells (2)oligodendrocytes
- How are schwann and oligodendorcytes different? (2)
-
Somtimes People Outwit Cats
(1)schwann cells are found in the PNS (2)oligodendrocytes are found in the CNS - Where are oligodendrocytes found?
- in the CNS
- Where are the schwann cells found?
- in the PNS
- What is the myelin sheath?
- wraps around and insulate neuron's axons
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NAME
this wraps around and insulates neuron's axons - myelin sheath
- What is Ependymal?
- are glial cells that cover or line inside the ventricles
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NAME
these are glial cells that cover or line inside the ventricles - ependymal
- WHat does the somatic system?
- provides voluntary innervation to the musculoskeletal systems
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NAME
provides voluntary innervation to the musculaoskeletal systems - somatic system
- When you voluntary chose to move you activate what system?
- somatic system
- What is the autonomic system?
- is the involuntary system that monitors digestion, breathing, and heart rate
-
NAME
this is an involuntary system that monitors digestion, breathing, and heart rate - autonomic system
- (1)and (2)are anatomical classifications of NS
- CNS and PNS
- What are the anatomical classifications of the NS? (2)
- (1)CNS (2)PNS
- What are the physical classifications of the NS? (2)
- SNS (2)ANS
- (1)and (2) are the physical classifications of NS
- (1)SNS (2)ANS
- SNS and ANS are the (1)class of NS
- physical
- CNS and PNS are the (1)class of the NS
- anatomical
- SNS and ANS are part of both (1)and (2)
- CNS and PNS
- (1)and (2)are part of both the CNS and PNS
- SNS and ANS
- Can you find nerves in the CNS?
- no
- nerves are only found in the (1)
- PNS
- (1)are only found in the PNS
- nerves
- WHat makes of the CNS?
- anything encased in bone including the brain, brain stem, and spinal cord, and cerebellum
-
NAME
this includes anything encased in bone including the brain stem, spinal cord, and cerebellum - CNS
- What makes up the PNS? (3)
- (1)12CN (2)31 SN (3)ganglia
-
NAME
this has 12 CN, 31 SN and ganglia - PNS
- How many cranial nerves are there?
- 12
- How many SN are there?
- 31
- there are (1)CN
- 12
- there are (1)SN
- 31
- What is gray matter?
- are areas w only cell bodies of neurons that tend to form clusters
-
NAME
these are areas w only cell bodies of neurons that tend to form clustors - gray matter
- What is white matter?
- are areas w mylen
-
NAME
these are areas w mylen - white matter
- What is the differ btwn gray and white matter?(2)
- (1)gray matter-are areas w only cell bodies of neurons that tend to form clusters (2)white matter-have mylen
- in the brain, where is the gray matter?
- on the outside
- In the brain, where is the white matter located?
- on the inside
- In the brain, where is white matter located?
- on the inside
- in the spinal cord, where is the gray matter located?
- on the inside
- What is the differ btwn where the gray and white matter are located in the brain vs the spinal cord (2)
- (1)in the brain, gray matter is on the oustide and white matter is on the inside (2)in the spinal cord, gray matter is on the inside and white matter is on the oustide
- What are nuclei?
- are clustors of cell bodies in the CNS
-
NAME
these are clustors of cell bodies in the CNS - nuclei
- What are ganglioa?
- is a clustor of cell bodies in the PNS
-
NAME
these are clustors of cell bodies in the PNS - ganglioa
- What is the differ btwn nuclei and ganglioa?(2)
- (1)nuclei-are clustor of cell bodies in the CNS (2)ganglioa-are clustors of cell bodies in the PNS
-
NAME
this is the functional unit of the neuron - neuron
- What makes of a neuron?(4)
- (1)cell body (2)processes (3)dendrites (4)axon
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NAME
this consists of cell body, processes, dendrites, and axon - neuron
- What are afferent fibers?
- convey info into the CNS
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NAME
these fibers convey info into the CNS - sensory fibers
- Afferent fibers are also called (1)
- sensory
- (1)fibers are also called sensory fibers
- afferent
- What are efferent fibers?
- transmit info from the CNS to the peripheral structures
-
NAME
these fibers transmit info from the CNS to the peripheral structures - motor fibers
- motor fibers are also called (1)
- efferent
- (1)are also called efferent
- motor fibers
- What are interneurons?
- they connect neurons to other neurons
-
NAME
these connect neurons to other neurons - interneurons
-
NAME
these are non-neuronal cells that provide services to other neurons - glial cells
-
NAME
these system provides bidirectional communication btwn the brain and smooth muscle, cardic muscle, and gland cells - autonomic systems
-
NAME
this system transmits info from the brain to skeletal muscles - somatic system
- the somatic system transmits info from the brain to the (1)
- skeletal muscles
- the autonomic system provides bidirectional btwn the (1)and (2)
- (1)brain (2)smooth muscle, cardiac muscle, and gland cells
- What are (5)main regions of the NS?
- (1)peripheral (2)spinal (3)brain stem (4)cerebrellar (5)cerebral regions
- The cerebral region contains the (1)
- diencephalon and cerebral hemispheres
- The (1)region contains the dienceaphalon
- cerebral region
- CSF fills the (1)
- ventricles
- (1)fills the ventricles
- CSF
- What is tract?
- is a bundle of axons in the CNS
-
NAME
this is a bundle of axons in the CNS - tract
- What are some other names for tract?(5)
- (1)lemincus (2)fasciculus (3)column (4)peduncle (5)capusle
- What is gangila?
- cluster of cell bodies in the PNS
-
NAME
cluster of cell bodies in the PNS - ganglia
- What is the differ btwn nuceli and ganglia?(2)
- (1)nuceli-cluster of cell bodies w in the CNS (2)ganglian-cluster of cell bodies in the pNS
-
T or F
there are nuceli in the PNS - false
-
T or F
there are ganglian in the CNS - false
- gray matter on the surface on the brain is called (1)
- cortex
- What is the cortex?
- refers to gray matter on the surface of the brain
-
NAME
this refers to gray matter on th e surface of the brain - cortex
- Peripheral nerves have (1)and (2)axons
- afferent and efferent
- What are (2)main functions of the spinal cord?
- (1)to conduct information btwn the peripheral and the brain (2)to process info
-
NAME
this has two functions: to conduct info btwn the peripheral and the brain to process info - spinal cord
- the cord conevys (1)info to the brain and also conveys singals from the brain to control movement
- somatosensory
- What is the somatosensory system?
- conveys info from the skin and musculoskeletal system to areas of the brain
-
NAME
this coneys info from the skin and musculoskeletal systems to areas of the brain - somatosensory system
- the plexus that originate from the upper and lower exterminates originate from the (1)
- spine
-
NAME
this houses vital involuntary functions including RR, digestion, breathing, and alertness - brain stem
- What is the brain stem?
- this houses the involuntary functions including RR, digestion, breathing, and alertness
- how many CN exit from the brain stem?
- 10 out of 12
- How many CN do not exit from the brain stem?
- 2 out of 12
- How are the CN and SN differ?
- CN have differ functions while the SN all have similaral functios at differ levels
- What is the cerebellum?
- coordinates movement such as coordination
-
NAME
this coordinates movement like coordination - cerebellum
- What are the cerebral hemispheres?
- provide you with your higher mental functions
-
NAME
this part of your brain provides you with your higher mental functions - cerebral hemispheres
- What are some support systems for the brain?
- (1)CSF (2)meninges (3)vascular structures
- What is CSF?
- modifed version of plasma that tranfsers nutrients and O2 to the brain
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NAME
this is a modified version of plasma that tranfers nutrients and O2 to the brain - CSF
- What are pendicles?
- are large bundles of fibers found in the cerebellum
-
NAME
these are large bundles of fibers found in the cerebellum - pendicles
- What is the vermis?
- refers to the "worm" midline that divides the cerebellular hemispheres
-
NAME
this refers to the "worm" midline that divides the cerebellular hemispheres - vermis
- WHat is the epithalamus?
- consists primalry of the pineal gland
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NAME
this consists primarly of the pineal gland - epithalamus
- What does the thalamus do?(4)
- relays info to the cerebal cortex (2)process emotional and some memory info (3)intergarte diffterent types of sensation (4)regulate consciousness arousal, and attention
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NAME
this relays info to the cerebral cortex, processes emotional and some memory fino, intergrate different types of sensation, and regulates consciousness, arousal, and attention - thalamus
- What are some functions of the hypothalamus? (2)
- (1)maintains body temperature, metabolic rate, and the chemical composition of tissues and fluids w an optimal functional range (2)regulates eating, reproductive, and defensive behaviors, expression of emotions, growth, and function of the reproductive organs
- What is the limbic system?
- is involved w emotions and processing of some types of memories
-
NAME
this is involved w emotions and processing some types of memories - limbic system
-
NAME
this has limited capacity for healing - CNS
- What are the (3)meninges?
- (1)dura mater (2)arachnoid mater (3)pia mater
-
NAME
this has three layer of connective tissue that protects and covers the CNS - menginges
- What are the meninges?
- are 3 layers of connective tissue that protect and cover the CNS
- What is mater latin for?
- mother
- What is dura latin for?
- strong
-
NAME
this is latin for strong - dura
- What is arachnoid latin for ?
- spider
-
NAME
this is latin for spider - arachnoid
- What is pia latin for ?
- highly vascular
-
NAME
this is latin for high vascular - pia
- THe menginges have (1)btwn each layer
- potential spaces that may not be present but can be there
- What is the dura mater?
- outer layer that is strong bc of elastic fibers
-
nAME
this is the strong outerlayer of the menginges - dura mater
- What is the arachnoid mater?
- is middle layer of the meninges that look like spider webs
- WHat is the epidural space?
- epi=means on top of ...therefore, it is the space btwn the skull and dura mater
-
NAME
this is the space btwn the skull and the dura mater - epidural space
- What is subdural space?
- is the space btwn the dura mater and the arachnoid mater that contains CSF
-
NAME
this is the space btwn the dura mater and the arachnoid mater that contains CSF - subdural space
- All of the ventricles communicate through the (1)
- cerebral aqueduct
- What is the cerebral aqueduct?
- is where all of the ventricles communicate
-
NAME
all of the venctricles communicate through this - cerebral aqueduct
- the (1)becomes of the central canal in the spinal cord
- central canal
- the 4th ventricle becomes the (1)in the spinal cord
- central canal
- What happens if during development there is a narrowing of the cerebral aqueduct communicate?
- the baby gets hydrocepillas
- What can cause hydrpcepillias?
- when the cerebral aqudect or the other structures that the ventricles communicate to each other become narrowed
- What is the circular of Willis?
- is the center of vascular structures
-
NAME
this is the center of the vascular structures of the brain - circular of Willis
- iF one artery is blocked branching off from the circle of Willis then(1)
- one artery cant get blood to the distal CNS and a stroke of MI occurs
- How many venctricles are there?
- 4
- there are (1)ventricles
- 4
- the lateral ventricles are connected to the 3rd ventricle by the (1)
- interventricular foramina
- What is the interventricular foramina?
- connects the lateral ventricles to the 3rd ventricles
-
NAME
this connects the lateral ventricles to the 3rd ventricle - interventricular foramina
- What are (2)projections found int the dura mater?
- (1)falx (2)tentorium cerebelli
-
NAME
this layer of the meninges has two projections that falx and the tentorium cerebellis - dura mater
- What is the falx?
- a projection off of the dura mater that seperates the cerebral hemispheres
-
NAME
this is a projection off of the dura mater that separates the cerebral hemispheres - falx
- What is the tentorium cerebelli?
- is a projection off of the dura mater that separates the cerebral hemispheres from the cerebellum
- What is the differ btwn the falx and the tentorium cerebellis?(2)
- (1)falx-is a projection off of the dura mater that seperates the cerebral hemispheres (2)tentorium cerebellis is a projection off of the dura mater that separates the cerebral hemispheres from the cerebellum
- within the projections in the dura mater are (1)
- the dural sinuses
- Where are the dural sinuses found?
- in the projections of the dura mater
- What are the dural sinuses?
- return CSF and venous blood to the jugular veins
-
NAME
these return CSF and venous blood to the juglar veins - dural sinuses
- dural sinuses drain into the (1)
- jugular veins
- STOPED HERE
- STOPED HERE
- NS comes from (1)
- ectoderm
- What is ectoderm tissue?
- is the tissue that the NS comes from
-
NAME
this is the tissue that the NS comes from - ectoderm
- What are the (3)stages of the development of the NS?
- (1)preembroyonic (2)embroynic (3)fetal
- When does the preembryonic stage occur?
- conception to 2 weeks
-
NAME
this stage of development lasts from conception to 2 weeks - preembroyonic stage
- What is the most important event of the preembroyinic stage?
- the implanation of what will be the embyro
-
NAME
the most important event during this stage is the implanation of waht will be the embyro - preembryonic stage
- What are (3)kind of tissue that all forms of life start out w?
- (1)embryonic disk (2)ectoderm (3)endoderm
- After the embyronic disk, ectoderm, and the enderm form, (1)tissue develops
- mesoderm
- What is mesoderm?
- develops into all types of connective tissue
-
NAME
this type of tissue develops into all types of connective tissue - mesoderm
- What happens during the preembroyinic stage? (6)
- (1)the fertilized ovum begins cell division moving down the uterine tube and into the cavity of the utereus (2)a solid sphere of cells called blastocyst form (3)the blastocyst implants into the endometrium of the uterus (4)during this process, the inner cell mass develop into the embroynic disk w two layers-the ectoderm and endoderm (5)the embroynic disk expands (6)later, mesoderm forms in btwn the ectoderm and endoderm
- What is the blastocyst?
- is a sphere of cells that forms during the preembroynic stage
- What will happen to the blastocyst later ?(2)
- (1)the outer layer will become the fetal contribution to the placenta (2)the inner cell mass will become the embryo
-
NAME
this is a sphere of cells that forms during the preembroynic stage - blastocyst
-
NAME
eventually the outer layer of this will become the fetal contribution to the placenta and the inner cell mass will become the embyro - blastocyst
- the embryonic disk consists of two layer: (1)and (2)
- (1)ectoderm (2)endoderm
- What are the two layers of the embroynic disk?(2)
- (1)ectoderm (2)endoderm
-
NAME
this has two layers: ectoderm and endoderm - embryonic disk
- (1)forms btwn the ectoderm and endoderm
- mesoderm
- the central part of the ectoderm will become the (1)
- neural plate
- the neural plate will invaginate to become the (1)
- neural groove
- the (1)will invaginate to become the neural groove
- neural plate
- (1)will eventually become the vertebrae and muscles of the spine
- somite
- What happens to the somites during development?
- eventually they will become the veretrbrae and muscles of the back
-
NAME
eventually these will become the vertebrae and muscles of the back - somite
- When is the embryonic stage of development?
- from the 2nd to the 8th week
-
NAME
this stage occurs from the 2nd to the 8th week of pregrnacy - embroynic stage
- List all of the stages of development of the NS in order
-
(1)preembroynic= conception to 2 weeks
(2)embroynic stage=2 weeks to 8 weeks
(3)fetal stage= end of the 8th week until birth - When does the fetal stage of development occur?
- the end of the 8th week until birth
-
NAME
this stage of development occurs from end of the 8th week until birth - fetal stage
- (1)plays in important role in the closing of the neuropores
- folic acid
- folic acid plays an important role in the closing of the (1)
- neuropores