Study sets matching "system peripheral nervous"

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Study sets matching "system peripheral nervous"

72 terms
The Peripheral Nervous System
What is the peripheral nervous system?
The peripheral nervous system can be s…
Which branch of the peripheral nervous…
Which branch of the peripheral nervous…
All neuronal circuits that lie outside of the brain and spina…
The efferent and afferent branches of the peripheral nervous…
The efferent branch (also called motor neurons)
The efferent branch (also called the motor neurons)
What is the peripheral nervous system?
All neuronal circuits that lie outside of the brain and spina…
The peripheral nervous system can be s…
The efferent and afferent branches of the peripheral nervous…
21 terms
Peripheral Nervous System 1
olfactory nerve (I)
optic nerve (II)
oculomotor nerve (III)
trochlear nerve (IV)
consists of sensory neurons for smell that pass through the c…
contains sensory axons for vision that originate from the ret…
contains motor axons for 4 extrinsic eye muscles (superior re…
contains motor axons for one extrinsic eye muscle (superior o…
olfactory nerve (I)
consists of sensory neurons for smell that pass through the c…
optic nerve (II)
contains sensory axons for vision that originate from the ret…
19 terms
PNS (Peripheral Nervous System)
Main structure of PNS
CN I
CN II
CN III
1. Cranial nerves... 2. Spinal nerves... 3. Autonomic motor nerves…
Olfactory / smell
Optic / vision
Oculomotor / eye movement
Main structure of PNS
1. Cranial nerves... 2. Spinal nerves... 3. Autonomic motor nerves…
CN I
Olfactory / smell
47 terms
The Peripheral Nervous System (PNS)
Nerves
Cranial nerves
Spinal nerves
Ganglia
______ extending from the brain and spinal cord (bundles of a…
Carry impulses to and from the brain (12 pairs):
Carry impulses to and from the spinal cord (31 pairs):
Collections of neuronal cell bodies outside the CNS:
Nerves
______ extending from the brain and spinal cord (bundles of a…
Cranial nerves
Carry impulses to and from the brain (12 pairs):
19 terms
Peripheral Nervous System 1
Cervical Nerves
Thoracic Nerves
Lumbar Nerves
Sacral Nerves
Cervical Nerves
Thoracic Nerves
Nervous System: Peripheral Nerves
Brachial Plexus
Phrenic Nerve
Femoral Nerve
Common Peroneal
...
...
...
Brachial Plexus
Phrenic Nerve
...
Peripheral Nervous System
2 Main Divisions of PNS
2 Divisions of Motor Division
2 Divisions of Autonomic Nervous System
Function of PNS
Sensory & Motor Division
Somatic & Autonomic Nervous System
Sympathetic & Parasympathetic
nerves and nerve cells that carry messages between body and C…
2 Main Divisions of PNS
Sensory & Motor Division
2 Divisions of Motor Division
Somatic & Autonomic Nervous System
92 terms
Peripheral Nervous System
SENSORY RECEPTORS (5)
Mechanoreceptors:
Thermoreceptors:
Chemoreceptors:
Mechanoreceptors:, Thermoreceptors, Chemoreceptors:, Photorec…
mechanical forces such as touch, pressure, stretch, vibration…
temperature changes
chemicals (e.g., taste, smell)
SENSORY RECEPTORS (5)
Mechanoreceptors:, Thermoreceptors, Chemoreceptors:, Photorec…
Mechanoreceptors:
mechanical forces such as touch, pressure, stretch, vibration…
103 terms
Peripheral Nervous System Anatomy
Olfactory bulb
Olfactory bulb
Olfactory bulb
optic nerve
1 (nerve)
function: smell
2 (nerve)
Olfactory bulb
1 (nerve)
Olfactory bulb
function: smell
TCC-Peripheral Nervous System
Meissner's corpuscles
Merkel Discs
Pacinian corpuscles
Ruffini's corpuscles
Surrounded by Schwann cells
deep dermis
deep dermis and SQ tissue
in the dermis and joint capsules
Meissner's corpuscles
Surrounded by Schwann cells
Merkel Discs
deep dermis
Peripheral Nervous System Anatomy
Nerve
Spinal Nerve
Epineurium
Perineurium
Nerve
Spinal Nerve
48 terms
Peripheral Nervous System
Location of proprioceptors
location of Exteroceptors
Location of interoceptors
Stimulus in mechanoreceptors
muscles, tendons, joints, and inner ear
at or near body surfaces
within body organs
Mechanical stimuli that distort the cell membrane
Location of proprioceptors
muscles, tendons, joints, and inner ear
location of Exteroceptors
at or near body surfaces
18 terms
Peripheral nervous system
Phrenic nerve
Musculocutaneous nerve
Median nerve
Ulnar nerve
Phrenic nerve
Musculocutaneous nerve
Peripheral Nervous System
anterior gray horns
anterior gray horns
lateral gray horns
lateral gray horns
anterior gray horns
anterior gray horns
19 terms
Human Peripheral Nervous System
Cervical Nerves
Thoracic Nerves
Lumbar Nerves
Sacral Nerves
Cervical Nerves
Thoracic Nerves
21 terms
Peripheral Nervous System
Nerves
Sensory Nerve
Motor Nerve
Ganglia*
Carries information throughout the body to determine motor or…
this nerve transmits information from a part of the body to t…
it carries impulses from the brain to muscle or organ tissue.
it is a group of nerve cell bodies within the spinal cord and…
Nerves
Carries information throughout the body to determine motor or…
Sensory Nerve
this nerve transmits information from a part of the body to t…
Nervous/Peripheral Nervous System
Cerebr(o)
Myel(o)
Cerebrum
Peripheral Nervous System
Brain
Spinal cord
Largest portion of the brain
Various nerves and nerve masses that connect the brain and sp…
Cerebr(o)
Brain
Myel(o)
Spinal cord
42 terms
Peripheral nervous system- Peripheral nerves
Protective layers of a nerve
Oligodendrocytes
Shwan cells (Myelinated and unmyelinat…
Epineurium
Epineurium
Myelinate multiple axons in the Central nervous system
Myelinate PNS axons by associating with a single axon. or the…
Contiguous with the dura matter. ... Has gap junctions that allo…
Protective layers of a nerve
Epineurium
Oligodendrocytes
Myelinate multiple axons in the Central nervous system
35 terms
Peripheral Nervous System
Peripheral nerves
Cervical Plexus
Cervical Plexus
Phrenic nerve
All of the nerves of the body extending from the brain and sp…
Spinal nerves C1-C4 and parts of C5; supplies the skin, muscl…
Part of the cervical plexus: spinal nerves C3,C4, and C5
Peripheral nerves
All of the nerves of the body extending from the brain and sp…
Cervical Plexus
Peripheral Nervous System
peripheral
collect info
sensory
motor
nerves extending from the brain & spinal cord
main function of peripheral nerves
messages going TO the brain
messages coming FROM the brain
peripheral
nerves extending from the brain & spinal cord
collect info
main function of peripheral nerves
46 terms
Physiology of Peripheral Nervous System
Peripheral Nervous System division
Autonomic System Division
Sympathetic division
parasympathetic division
1. Somatic... 2. Autonomic
1. Sympathetic... 2. Parasympathetic
increase of activity, such as heart beat
decrease activity, except digesiton.
Peripheral Nervous System division
1. Somatic... 2. Autonomic
Autonomic System Division
1. Sympathetic... 2. Parasympathetic
14 terms
Peripheral Nervous System (Receptors)
mechanoreceptors
mechanonociceptors
warm thermoreceptors
cold thermoreceptors
detect pressure
detect intense pressure
detect 30-43 degrees celcius
detect 20-35 degrees celcius
mechanoreceptors
detect pressure
mechanonociceptors
detect intense pressure
25 terms
Peripheral Nervous System
PNS
Nerve
neuron fibers are surrounded by
groups of neurons
consists of all nervous tissue outside cns
bundle of neuron fibers found in the pns
endoneurium
fasicles
PNS
consists of all nervous tissue outside cns
Nerve
bundle of neuron fibers found in the pns
34 terms
Central and Peripheral Nervous System
Central Nervous System
Peripheral Nervous System
White matter
Ascending tracts (white matter)
brain and spinal cord
nerves and ganglia outside of the brain and spinal cord
groups of myelinated axons found in CNS and referred to as tr…
group of axons that conduct potentials toward brain
Central Nervous System
brain and spinal cord
Peripheral Nervous System
nerves and ganglia outside of the brain and spinal cord
Peripheral nervous system
Endoneurium
Perineurium... Fascicle
Epineurium
Sensory
Each process surrounded by loose connective tissue. (Single a…
Each bundle of processes(fascicle)( bundle of axons)
Each nerve surrounded by( outer wrap warpes bundle of axons)
Afferent
Endoneurium
Each process surrounded by loose connective tissue. (Single a…
Perineurium... Fascicle
Each bundle of processes(fascicle)( bundle of axons)
Peripheral Nervous System
sensory receptors
exteroceptors
interoceptors
proprio receptors
classified according to location and type of stimulation
stimulation arising outside of the body (touch, pain, and tem…
stimulation arising inside the body (chemo cal messengers, st…
respond to internal stimuli, but located only in skeletal mus…
sensory receptors
classified according to location and type of stimulation
exteroceptors
stimulation arising outside of the body (touch, pain, and tem…
24 terms
Nervous (The Peripheral Nervous System)
peripheral nervous system
sensory receptors
nerves
ganglia
-spinal nerves (31 pairs)... -cranial nerves (12 pairs)
pick up stimuli from inside or outside the body
bundles of peripheral axons
clusters of peripheral neuronal cell bodies
peripheral nervous system
-spinal nerves (31 pairs)... -cranial nerves (12 pairs)
sensory receptors
pick up stimuli from inside or outside the body
45 terms
Nervous System: Peripheral Nervous System
Where are Spinal Nerves Located?
How many Spinal Nerves are there?
How are cervical spinal nerves named?
When does the naming process change?
Intervertebral foramina
31 Pairs
After the vertebra below the nerve
At Spinal Nerve C8
Where are Spinal Nerves Located?
Intervertebral foramina
How many Spinal Nerves are there?
31 Pairs
18 terms
Peripheral nervous system
Phrenic nerve
Musculocutaneous nerve
Median nerve
Ulnar nerve
diaphragm
elbow flexors
wrist flexors
Wrist flexors
Phrenic nerve
diaphragm
Musculocutaneous nerve
elbow flexors
18 terms
Peripheral Nervous System
Serotonin
Dopamine
Endorphins
Glutamate
Inhibitory to anger/violence messages
Inhibitory to muscle contraction/excitatory for "feeling good"
Inhibitory for pain
Excitatory for brain development and memory
Serotonin
Inhibitory to anger/violence messages
Dopamine
Inhibitory to muscle contraction/excitatory for "feeling good"
Peripheral Nervous System
Two divisions of the PNS
Autonomic Nervous System
PNS Receptors
Somatic Receptors
Somatic Nervous System and Autonomic Nervous System
Sympathetic Nervous System, Parasympathetic Nervous system, E…
Gather stimuli in the PNS to send to the CNS for interpretati…
located in the skin, muscles and joints that are either exter…
Two divisions of the PNS
Somatic Nervous System and Autonomic Nervous System
Autonomic Nervous System
Sympathetic Nervous System, Parasympathetic Nervous system, E…
Peripheral Nervous System
Somatic
Autonomic
Neurons
Soma
sensory nerves, motor nerves, messages between brain and body…
controls organs and some muscles, controls involuntary muscles
nerve cells that carry messages (called impulses) , parts inc…
cell body
Somatic
sensory nerves, motor nerves, messages between brain and body…
Autonomic
controls organs and some muscles, controls involuntary muscles
20 terms
The Peripheral and Autonomic Nervous System
Obturator Nerve
Sacral Plexus
Sciatic Nerve
Common Fibular Nerve
Name the nerve
Name the nerve network
Name the nerve
Name the nerve
Obturator Nerve
Name the nerve
Sacral Plexus
Name the nerve network
77 terms
Peripheral & Autonomic Nervous System
Somatic Nervous System
Somatic sensory portion of SoNS
Somatic motor portion of SoNS
Autonomic nervous system
Processes perceived or controlled consciously... Somatic nervous…
Detection of stimuli... Transmission of nerve impulses from spec…
Initiation & transmission from nerve impulse from CNS to cont…
Processes regulated below conscious level, all functions work…
Somatic Nervous System
Processes perceived or controlled consciously... Somatic nervous…
Somatic sensory portion of SoNS
Detection of stimuli... Transmission of nerve impulses from spec…
The Peripheral Nervous System
Feedforward (open) loop
Feedback (Closed) loop
What is Positive feedback?
What is Negative feedback?
- voluntary activity... - independent of sensory information/fee…
- longer in duration... -accuracy of movement DEPENDENT on senso…
1) ENHANCES effects of a peripheral deviation (snowball effect)
1) DIMINISHES effects of a peripheral deviation... 2) maintains…
Feedforward (open) loop
- voluntary activity... - independent of sensory information/fee…
Feedback (Closed) loop
- longer in duration... -accuracy of movement DEPENDENT on senso…
97 terms
PNS-peripheral nervous system
PNS
parts of the PNS
subdivision of the PNS
somatic PNS
Nervous tissue outside the brain and spinal cord
nerves and ganglia
somatic, autonomic, enteric
involved in voluntary skeletal muscle activites
PNS
Nervous tissue outside the brain and spinal cord
parts of the PNS
nerves and ganglia
13 terms
ANATOMY - Peripheral Nervous System
axillary nerve
common fibular nerve
dorsal ramus
dorsal root ganglion
axillary nerve
common fibular nerve
Peripheral Nervous System
Peripheral Nervous System
Nerve
Tract
Ganglia
The portion of the nervous system outside the cranial cavity…
A large bundle of axons in the peripheral nervous system - wr…
a large bundle of axons in the central nervous system - not w…
Clusters of neurons in the peripheral nervous system
Peripheral Nervous System
The portion of the nervous system outside the cranial cavity…
Nerve
A large bundle of axons in the peripheral nervous system - wr…
7 terms
Peripheral Nervous System
Spinal Nerves
Cranial Nerves
Olfactory
Optic
Spinal Nerves
Cranial Nerves
Peripheral nervous system
Pairs of mixed nerves
Pairs of cervical nerves
Pairs of thoracic nerves
Pairs of lumbar nerves
31
8
12
5
Pairs of mixed nerves
31
Pairs of cervical nerves
8
Peripheral Nervous System
Musculocutaneous Nerve
Axillary nerve
Radial nerve
Median nerve
Spinal cord segment:... C5,6... Muscle innervation: ... Coracobrac…
SC segment:... C5,6... Muscle innervation :... Deltoid, teres minor…
SC segment:... C5-T1... Muscle innervation:... Triceps, anconeus, b…
SC segment:... C6-T1... Muscle innervation:... Pronator so, wrist a…
Musculocutaneous Nerve
Spinal cord segment:... C5,6... Muscle innervation: ... Coracobrac…
Axillary nerve
SC segment:... C5,6... Muscle innervation :... Deltoid, teres minor…
Psychology The Peripheral Nervous System
somatic nervous system
sensory neurons
motor neurons
interneurons
carries sensory information to the CNS and motor information…
specialized nerve cells that receive and carry sensory messag…
specialized nerve cells that carry messages to skeletal muscl…
the connection between sensory and motor neurons that rarely…
somatic nervous system
carries sensory information to the CNS and motor information…
sensory neurons
specialized nerve cells that receive and carry sensory messag…
Peripheral Nervous System
PNS
Nerves and Neruons
GANGLIONS
ANS/SOMATIC
NERVES: group or bundle of axon fibers located outside the CN…
NERVE ROOT: the point where either type of nerve is attached…
The nerve cell bodies of the neurons forming the nerve are gr…
The nerves of the peripheral nervous system are subdivided in…
PNS
NERVES: group or bundle of axon fibers located outside the CN…
Nerves and Neruons
NERVE ROOT: the point where either type of nerve is attached…
12 terms
Peripheral nervous system
Comprised of
Cranial nerves
Spinal nerves
Cervical nerves
-sensory receptors... -ganglia ... -nerves... -plexuses
12 pairs
31 pairs
8 pairs
Comprised of
-sensory receptors... -ganglia ... -nerves... -plexuses
Cranial nerves
12 pairs
26 terms
Peripheral Nervous System Drugs
Epinephrine activates which type of re…
What type of drug is IV epinephrine?
What receptors does norepinephrine act…
What type of drug is norepinephrine?
Alpha1, Alpha2, Beta1, Beta2 (all adrenergic)
adrenergic agonist (catecholamine)
alpha1, alpha2, beta1
adrenergic receptor (catecholamine)
Epinephrine activates which type of re…
Alpha1, Alpha2, Beta1, Beta2 (all adrenergic)
What type of drug is IV epinephrine?
adrenergic agonist (catecholamine)
8 terms
Peripheral Nervous System
Peripheral Nervous System
Somatic Nervous System
Autonomic Nervous System
Sympathetic Nervous System... (Autonomic)
Divided into two major parts: the somatic nervous system and…
Consists of peripheral nerve fibers that send sensory informa…
Divided into three parts: the sympathetic nervous system, the…
A part of the nervous system that serves to accelerate the he…
Peripheral Nervous System
Divided into two major parts: the somatic nervous system and…
Somatic Nervous System
Consists of peripheral nerve fibers that send sensory informa…
20 terms
Peripheral Nervous System
Musculocutaneous Nerve-... spinal cord se…
Axillary Nerve-... spinal cord segment:... m…
Radial Nerve-... spinal cord segment:... mus…
Median Nerve-... spinal cord segment:... mus…
C5-6... coracobrachialis, biceps brachii, brachialis... anterolater…
C5-6... deltoid, teres minor... lateral arm (lower portion of delto…
C5-T1... triceps, anconeus, brachioradialis, supinator, and wris…
C6-T1... pronators, wrist/finger flexors on radial side, most th…
Musculocutaneous Nerve-... spinal cord se…
C5-6... coracobrachialis, biceps brachii, brachialis... anterolater…
Axillary Nerve-... spinal cord segment:... m…
C5-6... deltoid, teres minor... lateral arm (lower portion of delto…
55 terms
Peripheral Nervous System (PNS)
Functions of the Peripheral Nervous Sy…
Afferent (sensory) Division
Somatic Sensory Division (sensory)
Visceral Sensory Division
1. sends sensory information towards the CNS for integration…
composed of sensory receptors and sensory neurons and is resp…
responsible for monitoring the outside of the body
responsible for monitoring the conditions inside the body
Functions of the Peripheral Nervous Sy…
1. sends sensory information towards the CNS for integration…
Afferent (sensory) Division
composed of sensory receptors and sensory neurons and is resp…
Peripheral Nervous System
Sensory Receptors
Mechanoreceptors
Thermoreceptors
Photoreceptors
Specialized to respond to changes in environment
Respond to touch, pressure, vibration, and stretch
Sensitive to changes in temperature
Respond to light energy
Sensory Receptors
Specialized to respond to changes in environment
Mechanoreceptors
Respond to touch, pressure, vibration, and stretch
30 terms
Peripheral nervous system (PNS)
2 parts of PSN
Somatic nervous system
Autonomic nervous system (ANS)
2 parts of ANS
Somatic nervous system and autonomic nervous system
Messages sent from CNS to the skeletal system involuntary mus…
Transmits messages from the CNS to smooth muscles (cardiac an…
Sympathetic nervous system... Parasympathetic nervous system
2 parts of PSN
Somatic nervous system and autonomic nervous system
Somatic nervous system
Messages sent from CNS to the skeletal system involuntary mus…
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