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Study sets matching "system peripheral nervous organs"

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Study sets matching "system peripheral nervous organs"

17 terms
Organization of Peripheral Nervous System
Two ways to divide the PNS
Two PNS subdivisions based on type and…
Motor
Sensory
-divide on basis of type and direction of info transfer... -divi…
Motor... sensory
aka efferent... to effector organs (muscle and glands)... CNS to PN…
aka affarent... from receptor organs (various sense organs)... outs…
Two ways to divide the PNS
-divide on basis of type and direction of info transfer... -divi…
Two PNS subdivisions based on type and…
Motor... sensory
72 terms
Peripheral Nervous System and Sensory Organs
olfactory nerves
olfactory bulb
trochlear nerve
trigeminal nerve V
olfactory nerves
olfactory bulb
18 terms
Organs of the Central & Peripheral Nervous System
brain
cerebrum
ventricles
cerebellum
contained within the cranium, the center for coordinating bod…
largest portion of the brain, divided into left right hemisph…
spaces within the brain that contain cerebrospinal fluid (CSF…
located under the posterior portion of the cerebrum; assists…
brain
contained within the cranium, the center for coordinating bod…
cerebrum
largest portion of the brain, divided into left right hemisph…
21 terms
Peripheral Nervous System/Sense Organs
5 Stimuli/Receptors
Location of Receptors
General Senses
# of Cranial Nerves
1. Mechanoreceptors (touch)... 2. Thermoreceptors (temperature)…
1. Exteroceptors (outside)... 2. Interceptors (inside)... 3. Propri…
1. Merkel cells (hairless areas)... 2. Meissner's corpuscles(on…
12 pair
5 Stimuli/Receptors
1. Mechanoreceptors (touch)... 2. Thermoreceptors (temperature)…
Location of Receptors
1. Exteroceptors (outside)... 2. Interceptors (inside)... 3. Propri…
53 terms
4. Peripheral Nervous System Organization
What is the function of somatic affere…
What is the function of somatic effere…
What is the function of visceral affer…
What is the function of visceral effer…
This nerve transmits temperature, pain, touch and propriocept…
This nerve innervates skeletal muscles.
This nerve sense the change of internal environment of viscer…
This nerve is also called autonomic nervous system (ANS) and…
What is the function of somatic affere…
This nerve transmits temperature, pain, touch and propriocept…
What is the function of somatic effere…
This nerve innervates skeletal muscles.
22 terms
General Organization of the Peripheral Nervous System
Function of PNS
structural components of PNS
Mechanoreceptors
Thermoreceptors
Connect brain with outside world... i. CNS function is dependen…
a. Sensory receptors... b. Peripheral nerves and ganglia... c. Effe…
Touch, vibration, pressure, stretch
Temperature changes
Function of PNS
Connect brain with outside world... i. CNS function is dependen…
structural components of PNS
a. Sensory receptors... b. Peripheral nerves and ganglia... c. Effe…
100 terms
Lesson 6: Peripheral nervous system and organs
peripheral nervous system
olfactory nerve I
olfactory bulb
olfactory tract
peripheral nervous system
olfactory nerve I
76 terms
The Peripheral Nervous System, The Autonomic Nervous System, Sensory Organs
hypothalamus
limbic system and cerebral cortex
general senses
sensation
regulates visceral functions: body temperature, hunger, thirs…
control emotional responses
receptors that are widely distributed throughout the body--sk…
a feeling that occurs when the brain becomes aware of sensory…
hypothalamus
regulates visceral functions: body temperature, hunger, thirs…
limbic system and cerebral cortex
control emotional responses
76 terms
Nervous system peripheral organization and sensory pathways
PNS is made up of what?
functional classes of peripheral nerve…
Functional regions of a neuron
How do neurons transmit information?
*Nerves (cranial nerves 12 pairs, spinal nerves 31 pairs) ... *G…
somatic (sensory and motor) and autonomic (sensory and motor)
-Within neuron: ... Action potential ... -Between neurons: ... Synapse
PNS is made up of what?
*Nerves (cranial nerves 12 pairs, spinal nerves 31 pairs) ... *G…
functional classes of peripheral nerve…
somatic (sensory and motor) and autonomic (sensory and motor)
36 terms
PGA 4: Peripheral Nervous System Organization
What is the input to the CNS?
What is the output from the CNS?
What kinds of nerves do the anterior r…
What kinds of nerves do the posterior…
reception of signals from the body, transfer of signals to th…
transmission of response signals to effector tissue
Only motor nerves
Only sensory nerves
What is the input to the CNS?
reception of signals from the body, transfer of signals to th…
What is the output from the CNS?
transmission of response signals to effector tissue
77 terms
Special Sense Organs or the Peripheral Nervous system
Receptors
Sense organs
Pupil
Iris
sensory nerve endings that respond to various kinds of stimul…
the eyes, ears, skin, mouth, nose- reception that detect sens…
small dark circular structure in the center of the eye
muscles of the iris constrict the pupil in bright light and d…
Receptors
sensory nerve endings that respond to various kinds of stimul…
Sense organs
the eyes, ears, skin, mouth, nose- reception that detect sens…
103 terms
Chapter 14 Special Organs of the Peripheral Nervous System
Receptors
Pupil
Iris
Sclera
sensory nerve endings that respond to various kinds of stimul…
the small dark circular structure in the center of the eye wh…
the coloured portion of the eye, regulating the amount of lig…
tough outer layer of the eye
Receptors
sensory nerve endings that respond to various kinds of stimul…
Pupil
the small dark circular structure in the center of the eye wh…
36 terms
PGA 4: Peripheral Nervous System Organization
What is the input to the CNS?
What is the output from the CNS?
What kinds of nerves do the anterior r…
What kinds of nerves do the posterior…
reception of signals from the body, transfer of signals to th…
transmission of response signals to effector tissue
Only motor nerves
Only sensory nerves
What is the input to the CNS?
reception of signals from the body, transfer of signals to th…
What is the output from the CNS?
transmission of response signals to effector tissue
30 terms
Anatomy Ch. 14 - Organization of the Peripheral Nervous System
Peripheral Nervous System (PNS)
Motor Endings
Peripheral Sensory Receptors
Exteroceptors
- The system of nerves and nervous tissue outside of the brai…
- These are the axon terminals of motor neurons that innervat…
- These are sensory receptors that pick up stimuli and then i…
- These are receptors sensitive to stimuli arising outside th…
Peripheral Nervous System (PNS)
- The system of nerves and nervous tissue outside of the brai…
Motor Endings
- These are the axon terminals of motor neurons that innervat…
124 terms
Special Sense Organs of the Peripheral Nervous System
The peripheral nervous system (PNS)
Special sense organs
Structures of the eye include
Pupil
consists of nerves that communicate with receptors, muscles a…
(eyes, ears, mouth, nose and skin) have receptors that detect…
Pupil, iris, sclera, lacrimal structures, and accessory organs.
dark circular structure in the center of the eye
The peripheral nervous system (PNS)
consists of nerves that communicate with receptors, muscles a…
Special sense organs
(eyes, ears, mouth, nose and skin) have receptors that detect…
54 terms
Special sense organs of the peripheral nervous system
Receptors
Sense organs
Pupil
Iris
sensory nerve endings that respond to various kinds of stimul…
Eyes, ears, skin, mouth and nose have receptors that detect s…
Light rays enter ; the small dark circular structure in the c…
Pupil is surrounded by the color portion of the eye that we r…
Receptors
sensory nerve endings that respond to various kinds of stimul…
Sense organs
Eyes, ears, skin, mouth and nose have receptors that detect s…
127 terms
Special Sense Organs of the Peripheral Nervous System
receptors
sense organs
pupil
iris
are sensory nerve endings that respond to various kinds of st…
eyes, ears, skin, mouth, and nose have receptors that detect…
the small dark circular structures in the center of the eye w…
colored portion of the eye that has muscles to constrict pupi…
receptors
are sensory nerve endings that respond to various kinds of st…
sense organs
eyes, ears, skin, mouth, and nose have receptors that detect…
20 terms
Special sense organs of the peripheral nervous system:
Hyperopia
Myopia
Presbyopia
Tinnitus
Far-sighted
Near-sighted
farsightedness caused by loss of elasticity of the lens of th…
ringing or buzzing in the ears.
Hyperopia
Far-sighted
Myopia
Near-sighted
128 terms
special sense organs of the peripheral nervous system
receptors
sense organs
peripheral nervous system
pupil
sensory nerve endings that respond to various kinds of stimul…
the eyes, ears, skin, mouth, and nose.
communication between the central nervous system and the rest…
small dark circular structure in the eye which is surrounded…
receptors
sensory nerve endings that respond to various kinds of stimul…
sense organs
the eyes, ears, skin, mouth, and nose.
65 terms
Organization of the Peripheral Nervous System-SPINAL NERVES
Cardiac, smooth, skeletal
Cardiac
Smooth
Skeletal
The 3 types of muscles (motor activity)
? related to heart muscles
? related to organ muscles: kidneys, bladder, gastrointestina…
? usually attached to bone-back, arms, legs, hands, mouth, eyes
Cardiac, smooth, skeletal
The 3 types of muscles (motor activity)
Cardiac
? related to heart muscles
12 terms
7. Ch 3 Organization of The Peripheral Nervous System
Nervous System 2 Main Divisions
Peripheral nervous system
Afferent nerves (PNS)
Efferent Nerves (PNS)
Central & peripheral nervous system
Monitors & reports to CNS (collects info) & conveys messages…
collect info from outside world to body Arriving to CNS
exiting CNS motor skills
Nervous System 2 Main Divisions
Central & peripheral nervous system
Peripheral nervous system
Monitors & reports to CNS (collects info) & conveys messages…
12 terms
Unit 3: Peripheral Nervous System Organization and Function
List the cranial nerves classified as…
What is the function of the olfactory…
Which cranial nerve serves the specifi…
Which is a motor nerve and which is a…
Trigeminal, Facial, Glossopharyngeal, and Vagus
It is completely sensory and allows for a sense of smell
Trochlear
Hypoglossal= motor, Optic= Sensory
List the cranial nerves classified as…
Trigeminal, Facial, Glossopharyngeal, and Vagus
What is the function of the olfactory…
It is completely sensory and allows for a sense of smell
37 terms
Organization of the Spinal Cord and Peripheral Nervous System
Define Poliomyelitis
Spinal cord extends from what to what?
How many segments and how many spinal…
How are spinal nerves located relative…
A disease which results in damage to somatic motor neurons
Foramen magnum to L1/L2 vertebrae
31
Cervical: Cervical spinal nerves are rostral to the vertebrae…
Define Poliomyelitis
A disease which results in damage to somatic motor neurons
Spinal cord extends from what to what?
Foramen magnum to L1/L2 vertebrae
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
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…
36 terms
Medical Terminology - Special Sense Organs (Peripheral Nervous System)
lacrimal glands
conjunctiva
achromatic vision
myopia
produce tears and store them in the nasolacrimal gland
mucous membrane under the eyelid that protects the eye.
inability to see any color
nearsightedness
lacrimal glands
produce tears and store them in the nasolacrimal gland
conjunctiva
mucous membrane under the eyelid that protects the eye.
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):
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…
12 terms
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
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
13 terms
Peripheral Nervous System
Dorsal root ganglion
Doral spinal nerve roots
Ventral (anterior) ramus
Cervical plexus
Dorsal root ganglion
Doral spinal nerve roots
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"
44 terms
Medical Terminology - Special Sense Organs (Peripheral Nervous System)
lacrimal glands
choroid
rods
cones
produce tears and store them in the nasolacrimal gland
vascular layer of tissue that supplies blood to the outer ret…
distinguish light from dark, perceive shape+movement
color vision
lacrimal glands
produce tears and store them in the nasolacrimal gland
choroid
vascular layer of tissue that supplies blood to the outer ret…
18 terms
Nervous System: Peripheral Nerves
Brachial Plexus
Phrenic Nerve
Femoral Nerve
Common Peroneal
...
...
...
Brachial Plexus
Phrenic Nerve
...
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
19 terms
Peripheral Nervous System 1
Cervical Nerves
Thoracic Nerves
Lumbar Nerves
Sacral Nerves
Cervical Nerves
Thoracic Nerves
13 terms
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
Peripheral Nervous System Anatomy
Nerve
Spinal Nerve
Epineurium
Perineurium
Nerve
Spinal Nerve
24 terms
Peripheral Nervous System, Peripheral Nervous System All
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
76 terms
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
13 terms
ANATOMY - Peripheral Nervous System
axillary nerve
common fibular nerve
dorsal ramus
dorsal root ganglion
axillary nerve
common fibular nerve
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
23 terms
Peripheral Nervous System Nerves
Phrenic Nerve
Intercostal Nerves
Sympathetic Chain Ganglion
Sympathetic Chain
Phrenic Nerve
Intercostal Nerves
46 terms
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
13 terms
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
19 terms
Human Peripheral Nervous System
Cervical Nerves
Thoracic Nerves
Lumbar Nerves
Sacral Nerves
Cervical Nerves
Thoracic Nerves
12 terms
Central and Peripheral Nervous System
Central Nervous System
Peripheral Nervous System
Cranial Nerves
Afferent Spinal Nerves
system that organizes signals from around the body into organ…
the part of the nervous system that consists of the nerves an…
Nerves that branch directly from the brain, thats purpose is…
nerves in the spine that carry signals towards the brain
Central Nervous System
system that organizes signals from around the body into organ…
Peripheral Nervous System
the part of the nervous system that consists of the nerves an…
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
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
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