Study sets matching "nervous system 2"

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Study sets matching "nervous system 2"

44 terms
nervous system
neuron
nerve
sensory neuron
relay neuron (interneuron)
nerve cell
bundle of neurons
binds to / responds to external & internal stimulus
sends messages to relay or motor neurons
neuron
nerve cell
nerve
bundle of neurons
162 terms
2. nervous system
Nervous system
2 nervous system categories
CNS
PNS
gathers information to monitor changes occurring inside and o…
central nervous system (CNS)... periferral nervous system (PNS)
brain and spinal cord
extremities (spinal & cranial nerves outside the brain and sp…
Nervous system
gathers information to monitor changes occurring inside and o…
2 nervous system categories
central nervous system (CNS)... periferral nervous system (PNS)
17 terms
Nervous System 2
cerebrum
voluntary
intelligence, learning, judgement
deep groove
largest region of the brain
the type of actions that the cerebrum is responsible for; the…
three other important things located in the cerebrum
divides the cerebrum into left and right hemispheres
cerebrum
largest region of the brain
voluntary
the type of actions that the cerebrum is responsible for; the…
31 terms
Nervous System 2
Neuron
CNS
PNS
Central
A nerve cell
The brain and the spinal cord form this system (abbreviation)
The nervous system not involving the brain or spinal cord. (a…
The brain and the spinal cord are called the ................…
Neuron
A nerve cell
CNS
The brain and the spinal cord form this system (abbreviation)
15 terms
Nervous system 2
Sodium channels open
More sodium channels open
Sodium channels close
Potassium channels open
1
2
3
4
Sodium channels open
1
More sodium channels open
2
116 terms
Nervous System, Nervous System 2
nervous system
neuron
cell body
dendrites
complex, highly organized system that coordinated all the act…
nerve cell that contains a cell body, dendrites, axons, and a…
part of neuron that holds the nucleus
nerve fibers that carry impulses toward cell body
nervous system
complex, highly organized system that coordinated all the act…
neuron
nerve cell that contains a cell body, dendrites, axons, and a…
Nervous System 2
Meninges
Dura mater
Arachnoid Mater
Pia Mater
Membranes located between bone and soft tissues of the nervou…
Outermost layer of the meninges, has blood vessels
No blood vessels, middle layer of the meninges (resembles a s…
Inner membrane of the meninges, contains nerves and blood ves…
Meninges
Membranes located between bone and soft tissues of the nervou…
Dura mater
Outermost layer of the meninges, has blood vessels
Nervous System Round 2
paraplegia
ataxia
aura
coma
paralysis of both legs and the lower part of the body
lack of muscle coordination
A sensation experienced prior to a seizure; serves as a warni…
deep prolonged unconsciousness caused by disease, poison, or…
paraplegia
paralysis of both legs and the lower part of the body
ataxia
lack of muscle coordination
29 terms
Nervous system 2
Schwann cells
neurilemma
Three Functional Classes of Neurons
Sensory Neurons
Forms the myelin sheath in the PNS
Outer surface of Schwann cell
Sensory neurons... Interneurons... Motor neurons
Unipolar neurons... Deliver information from receptors to CNS al…
Schwann cells
Forms the myelin sheath in the PNS
neurilemma
Outer surface of Schwann cell
55 terms
Nervous System 2
Inferior Oblique, Inferior Rectus, Sup…
Lacrimal Gland
Cornea
Sclera
Extrinsic Eye Muscles (6)
Inferior Oblique, Inferior Rectus, Sup…
Extrinsic Eye Muscles (6)
Lacrimal Gland
20 terms
Nervous System 2
Nervous system
Peripheral nervous system
Central nervous system
Synapse
the body's speedy, electrochemical communication network, con…
A division of the nervous system consisting of all nerves tha…
The brain and spinal cord
A junction or space where information is transmitted from one…
Nervous system
the body's speedy, electrochemical communication network, con…
Peripheral nervous system
A division of the nervous system consisting of all nerves tha…
Nervous System review (2)
Central Nervous System
Peripheral Nervous system
Autonomic Nervous System
Somatic Nervous System
(CNS) brain and spinal cord.
Body Nerves that connect to the central nervous system (brain…
Controls involuntary bodily functions (not consciously contro…
Controls voluntary bodily functions (consciously controlled),…
Central Nervous System
(CNS) brain and spinal cord.
Peripheral Nervous system
Body Nerves that connect to the central nervous system (brain…
36 terms
Nervous System 2
Pia mater
dura mater
arachnoid mater
subarachnoid space
brain membrane that follows the irregular cotours of the brai…
outermost brain membrane that lines the inside surface of the…
brain membrane layer that does not follow the contours of the…
space between meninges in which cerebrospinal fluid resides
Pia mater
brain membrane that follows the irregular cotours of the brai…
dura mater
outermost brain membrane that lines the inside surface of the…
14 terms
31.2 The nervous system
Homeostasis
human nervous system
The Brain and the Spinal Cord
spinal cord
The ability of a cell or organism to maintain stable... internal…
Two Parts:... Central Nervous System... a. Brain... b. Spinal…
Where does processing of information occur in the... nervous sys…
Nervous system impulses are transmitted by cells... called neuro…
Homeostasis
The ability of a cell or organism to maintain stable... internal…
human nervous system
Two Parts:... Central Nervous System... a. Brain... b. Spinal…
18 terms
Nervous System (P2)
Peripheral Nervous System (PNS)
Central Nervous System (CNS)
Voluntary
Involuntary
Nerves on the outside, that branch off your central nervous s…
Processes incoming and outgoing messages.Contains Brain and S…
in control of your actions (ex. movement)
actions that you do not control, work automatically. (ex. hea…
Peripheral Nervous System (PNS)
Nerves on the outside, that branch off your central nervous s…
Central Nervous System (CNS)
Processes incoming and outgoing messages.Contains Brain and S…
17 terms
5-2 Nervous System
nervous system
nerve impulses
brain
cerebrum
the body system that gathers and interprets information about…
The nervous system uses these to transmit messages from one p…
mass of nervous tissue that is located inside your skull
largest part of the brain that controls your senses and volun…
nervous system
the body system that gathers and interprets information about…
nerve impulses
The nervous system uses these to transmit messages from one p…
40 terms
nervous system 2
nervous system
sensory input
sensory receptors
stimuli
fast-acting control system that employs nerve impulses to tri…
messages sensed by the eyes, muscles, or joints and sent to t…
receives the messages and decides what to do(eyes, hands, ear…
a thing or event that causes a functional change
nervous system
fast-acting control system that employs nerve impulses to tri…
sensory input
messages sensed by the eyes, muscles, or joints and sent to t…
61 terms
Anatomy 2 Nervous system
Sensory input
Intergration
Motor output
Central nervous system
Monitors changes inside and outside the body
Process and interprets sensory information. ... Decides how to r…
Activation of effector organs to respond. Muscles and glands
Brain and spinal cord. Intergration and control center. Inter…
Sensory input
Monitors changes inside and outside the body
Intergration
Process and interprets sensory information. ... Decides how to r…
Psych 2: Nervous system
Homeostasis
Nervous system
Reflexive Behavior
Species typical behavior
must maintain its own internal state in a condition which sus…
Animals use nervous system to adapt. Must be able to sense op…
Animals respond directly to stimuli with simple muscle contra…
"instinctive" behavior patterns typically seen in all normal…
Homeostasis
must maintain its own internal state in a condition which sus…
Nervous system
Animals use nervous system to adapt. Must be able to sense op…
8 terms
Science Nervous System #2
neurons
Nerve impulse
synapse
three types of neurons
nerve cells
message that a neuron carries
place where a neuron transfers an impulse to another structure
sensory neurons- picks up stimulus and changes it into sensor…
neurons
nerve cells
Nerve impulse
message that a neuron carries
Nervous System week 2
Cephal/o
Encephal/o
Mening/o
Myel/o
Head
Inside the head (BRAIN)
Membranes surrounding the brain and spinal cord
Spinal cord
Cephal/o
Head
Encephal/o
Inside the head (BRAIN)
137 terms
Anatomy 2: Nervous System
What are 4 general functions of the ne…
Functions:... Examples of Sensations
Functions:... Motor Activity
Functions: ... Homeostasis
Sensations... Motor Activity... Integration/Interpretation... Homeosta…
Pain... Smell... Taste... Pressure... Heat... Sight
Movement/Response... Internal & External... Comes from CNS
Internal environment within tolerable range to external envir…
What are 4 general functions of the ne…
Sensations... Motor Activity... Integration/Interpretation... Homeosta…
Functions:... Examples of Sensations
Pain... Smell... Taste... Pressure... Heat... Sight
Nervous System (Q2)
Electrical and Chemical signals
Sensory Input
Central Nervous System
Motor-Output
The Nervous System uses what kinds of signals to communicate…
What is the input called that is gathered from the sensory re…
What is the part of the Nervous System that processes and int…
What is the output called when effector organs (muscles/gland…
Electrical and Chemical signals
The Nervous System uses what kinds of signals to communicate…
Sensory Input
What is the input called that is gathered from the sensory re…
56 terms
Nervous System
Functions: helps detect what....
subdivisions of the nervous system (2)
CNS controls what
CNS does what two things
detects changes in environment... initiate response, controls an…
CNS, PNS
brain and spinal cord
detects, integrates and evaluates information... controls the ac…
Functions: helps detect what....
detects changes in environment... initiate response, controls an…
subdivisions of the nervous system (2)
CNS, PNS
Nervous System
Central Nervous System
Peripheral Nervous system
Autonomic Nervous System
Somatic Nervous System
(CNS) brain and spinal cord.
Body Nerves that connect to the central nervous system (brain…
Controls involuntary bodily functions (not consciously contro…
Controls voluntary bodily functions (consciously controlled),…
Central Nervous System
(CNS) brain and spinal cord.
Peripheral Nervous system
Body Nerves that connect to the central nervous system (brain…
11 terms
Nervous System Vocabulary Part 2
sensory neurons
interneuron
motor neuron
synapse
Take incoming information from the sensory receptors to the b…
A neuron that is connected to other neurons, not to sense org…
Carry outgoing information from the brain and spinal cord t…
space between two neurons where neurotransmitters travel
sensory neurons
Take incoming information from the sensory receptors to the b…
interneuron
A neuron that is connected to other neurons, not to sense org…
101 terms
The Nervous System 2
Meninges
Dura Mater
Endosteal layer
Menigeal layer
1. Dura Mater... 2. Arachnoid Mater... 3. Pia Mater
outermost "tough" layer that protects the brain from displace…
lies against the inside of the cranium
lies on top of the arachnoid mater (but separated by subdural…
Meninges
1. Dura Mater... 2. Arachnoid Mater... 3. Pia Mater
Dura Mater
outermost "tough" layer that protects the brain from displace…
30 terms
2. Autonomic Nervous System
Describe the difference in:... *The anato…
Describe the difference in:... *Neurotran…
*Describe the major receptors for the…
*Describe the involvement of the ANS i…
Sympathetic -- shorter preganglionic axon... longer post-ganglio…
Parasympathetic only uses ACh... Sympathetic uses ACh on post-g…
cholinergic -- Ach: Nicotinic on skeletal muscle endplates…
Immune cells have receptors for Adrenonergic and cholinergic…
Describe the difference in:... *The anato…
Sympathetic -- shorter preganglionic axon... longer post-ganglio…
Describe the difference in:... *Neurotran…
Parasympathetic only uses ACh... Sympathetic uses ACh on post-g…
Benyo 2: Nervous System
Functions of the Nervous System
2 Nervous system divisions
3 parts of Central Nervous System and…
Peripheral Nervous System function, se…
1.Sensory: input from external & internal environment... 2. Inte…
1. Central nervous system... 2. Peripheral nervous system
a. Spinal Cord... - Conduit from PNS to brain and vice versa... - R…
- Sensory (afferent) sends information to Motor (efferent) ... -…
Functions of the Nervous System
1.Sensory: input from external & internal environment... 2. Inte…
2 Nervous system divisions
1. Central nervous system... 2. Peripheral nervous system
96 terms
Nervous System 2
a junction that mediates information t…
neuron that conducts impulses toward t…
neuron that transmits impulses away fr…
synapses specialized for the release a…
synapses
presynaptic neuron
postsynaptic neuron
chemical synapses
a junction that mediates information t…
synapses
neuron that conducts impulses toward t…
presynaptic neuron
12 terms
Nervous System 2
Central Nervous System
Cerebrum
Cerebellum
Spinal Cord
Brain and spinal cord
Area of the brain responsible for all voluntary activities of…
Controls muscles, balance, and coordination
Nerves that run up and down the length of the back and transm…
Central Nervous System
Brain and spinal cord
Cerebrum
Area of the brain responsible for all voluntary activities of…
56 terms
Biology2: the nervous system
Neuroglial cells
Microglial cells
Oligodendrocytes
Astrocytes
The supporting cells that fill spaces provide structural fram…
Supporting roles; phagocytize bacteria and any cellular debre…
Connected to axons and provide myelin sheath in the Central n…
Connect neurons to capillaries provide neurons with nutrients…
Neuroglial cells
The supporting cells that fill spaces provide structural fram…
Microglial cells
Supporting roles; phagocytize bacteria and any cellular debre…
Nervous System 2
synapse
pia mater, arachnoid membrane, dura ma…
cover and protect the brain and spinal…
absorb shock going to the brain, remov…
a structure that permits a neuron to pass on an electrical or…
the three layers of the meninges
the purpose of the meninges
two functions of the cerebrospinal fluid
synapse
a structure that permits a neuron to pass on an electrical or…
pia mater, arachnoid membrane, dura ma…
the three layers of the meninges
30 terms
The Nervous System 2
Pons
Reflex Arc
Somatic reflex
Autonomic reflex
Contains reflex centers involved in regulating respiratory rh…
Route from sensory neuron to interneuron to motor neuron. Pat…
Type of reflex activation that involves the regulation of ske…
Type of reflex activation that involves regulation of heart m…
Pons
Contains reflex centers involved in regulating respiratory rh…
Reflex Arc
Route from sensory neuron to interneuron to motor neuron. Pat…
55 terms
Nervous System 2, The Nervous System 1
neuron
nerve
sensory neuron
relay neuron (interneuron)
nerve cell
bundle of neurons
binds to / responds to external & internal stimulus
sends messages to relay or motor neurons
neuron
nerve cell
nerve
bundle of neurons
20 terms
Nervous System 2 of 2
adjust
enable
expose
image
To change something slightly, especially to make it more corr…
To make someone able to do something, or to make something po…
To remove what is covering something so that it can be seen
Any picture, especially one formed by a mirror or a lens
adjust
To change something slightly, especially to make it more corr…
enable
To make someone able to do something, or to make something po…
28 terms
#2 The Nervous System
Anterior
Autonomic nervous system (ANS)
Brainstem
Brodmann area
Toward the front end (antonym of posterior).
The part of the PNS that influences the function of internal…
The posterior part of the brain, adjoining and structurally c…
A region of the cerebral cortex that is defined by its cytoar…
Anterior
Toward the front end (antonym of posterior).
Autonomic nervous system (ANS)
The part of the PNS that influences the function of internal…
90 terms
Nervous System
Gray Matter
White Matter
Ventral Root
Dorsal Root
"butterfly shape" in the spinal cord, controlled by nerve cel…
outer part in the spinal cord, made up of axons
Axons of efferent neurons leaving spinal cord
Sensory info coming into spinal cord
Gray Matter
"butterfly shape" in the spinal cord, controlled by nerve cel…
White Matter
outer part in the spinal cord, made up of axons
2.2 Nervous system
Chemical Synapse
Electrical synapse
Electrical
Chemical receptors
these synapses use paracrine communication and are one way.
these synapses use direct communication via gap junctions and…
these events influence integration which occurs at the synaps…
sensory information of taste, smell, and visceral (ph of body).
Chemical Synapse
these synapses use paracrine communication and are one way.
Electrical synapse
these synapses use direct communication via gap junctions and…
Nervous System Part 2
how many cranial nerves are present in…
what is the first cranial nerves?... I
what is the second cranial nerve?... II
what is the third cranial nerve?... III
12
olfactory nerves... (sensory only. carry signals to the brain r…
optic nerve... (sensory only. the optic nerve is sensory only a…
oculomotor nerve ... (motor only. travels from brain stem to ey…
how many cranial nerves are present in…
12
what is the first cranial nerves?... I
olfactory nerves... (sensory only. carry signals to the brain r…
14 terms
Nervous System
Nervous system
Peripheral nervous system
Central nervous system
Synapse
the body's speedy, electrochemical communication network, con…
A division of the nervous system consisting of all nerves tha…
The brain and spinal cord
A junction or space where information is transmitted from one…
Nervous system
the body's speedy, electrochemical communication network, con…
Peripheral nervous system
A division of the nervous system consisting of all nerves tha…
107 terms
Ch 11 Nervous System Pt. 2 - DIVISIONS of the Nervous System
Central Nervous System (CNS) =
Brain =
The Brain CONTROLS
The Brain LIES
Brain & Spinal Cord
Largest & Most Complex part of nervous system
Sensation, Perception, Movement, & Thinking
in the cranial cavity of the skull.
Central Nervous System (CNS) =
Brain & Spinal Cord
Brain =
Largest & Most Complex part of nervous system
Nervous System #2
Occipital Lobe
Temporal Lobe
Frontal lobe
Broca Area
The visual part located in the posterior part
The auditory area
Anterior to the central sulcus
A specialized area that is very involved in our ability to sp…
Occipital Lobe
The visual part located in the posterior part
Temporal Lobe
The auditory area
11 terms
Nervous System 2 (Electrical Event)
Polarization
Threshold Potential
Action Potential
Depolarization
Resting Membrane Potential. Most commonly -70 mV.
The potential charge the neuron must reach to allow for an ac…
Nerve Impulse
If the axon reaches the threshold charge, the Na+ gates will…
Polarization
Resting Membrane Potential. Most commonly -70 mV.
Threshold Potential
The potential charge the neuron must reach to allow for an ac…
88 terms
Nervous System 2
Name Three bacteria that commonly caus…
How do these bacteria gain entry to th…
What type of inflammatory cell general…
Brain abscesses can occur in horses an…
1. E. coli ... 2. Streptococcus ... 3. Pasteurella
Hematogenous spread is most common, however direct extension…
Neutrophils - bacterial CNS diseases are typically suppurative
1. Hematogenous from: septicemia or bacteremia ... 2. Direct ext…
Name Three bacteria that commonly caus…
1. E. coli ... 2. Streptococcus ... 3. Pasteurella
How do these bacteria gain entry to th…
Hematogenous spread is most common, however direct extension…
Unit 2: Nervous System
nervous system path
nervous system divisions
central nervous system
peripheral nervous system
sensory input to processing to motor output
central nervous system
brain and spinal chord
nerves going to and from CNS
nervous system path
sensory input to processing to motor output
nervous system divisions
central nervous system
24 terms
Nervous System #2
Rostral
Caudal
Brain
Gray Matter
(toward forehead)
(toward cord)
...
the darker tissue of the brain and spinal cord, consisting ma…
Rostral
(toward forehead)
Caudal
(toward cord)
16 terms
Nervous System (2)
Dendrites
Axon
Myelin Sheath
Synapse
Multiple nerve fibers that carry impulses toward the cell body
Single nerve fiber that carries impulses away from the cell b…
lipid covering of the axons that increases the rate of transm…
space between the axon and the dendrites
Dendrites
Multiple nerve fibers that carry impulses toward the cell body
Axon
Single nerve fiber that carries impulses away from the cell b…
36 terms
Biology: Nervous System 2
Major Regions of the Brain
Nervous
Lobes
Gyri
1. Cerebral hemispheres... 2. Diencephalon... 3. Brain stem... 4. Cere…
___________ tissue is soft and delicate and neurons do not re…
The brain (cerebrum) is divided into 4 ________.
The brain is covered with elevated ridges called ________.
Major Regions of the Brain
1. Cerebral hemispheres... 2. Diencephalon... 3. Brain stem... 4. Cere…
Nervous
___________ tissue is soft and delicate and neurons do not re…
Nervous System (2)
Dendrites
Synapse
Oligondrocytes
Schwann cells
Extensions that receive information along with the cell body
Connection of neurons
Myelinate CNS
Myelinate PNS
Dendrites
Extensions that receive information along with the cell body
Synapse
Connection of neurons
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