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Study sets matching "anatomy nervous system part 3"

12 terms
Anatomy- nervous system part 3
Synapse
Presynaptic neuron
Post synaptic
Synaptic knob
Place where impulses are transmitted from presynaptic to post…
Neuron proximal to synapse... Transmits impulses
Receive impulses from presynaptic
Tiny bulge at the end of the terminal branch of presynaptic…
Synapse
Place where impulses are transmitted from presynaptic to post…
Presynaptic neuron
Neuron proximal to synapse... Transmits impulses
38 terms
anatomy- nervous system part 3
what protects the CNS
3 parts of meninges
dura matter
periosteum of dura matter
scalp, skin, skull, vertebral column, meninges, cerebrospinal…
dura matter, arachnoid layer, pia mater
double layered external covering, periosteum and meningeal la…
attached to the inner surface of the skull
what protects the CNS
scalp, skin, skull, vertebral column, meninges, cerebrospinal…
3 parts of meninges
dura matter, arachnoid layer, pia mater
19 terms
Anatomy nervous system part 3
protection of the CNS
3 meninges
dura mater
arachnoid mater
scalp and skin... skull and vertebral column... meninges... cerebrospi…
dura mater... arachnoid mater... pia mater
double layered external covering... periosteum attached to the s…
middle layer... web-like
protection of the CNS
scalp and skin... skull and vertebral column... meninges... cerebrospi…
3 meninges
dura mater... arachnoid mater... pia mater
57 terms
Anatomy - Nervous System Part 3
What types of nervous tissues are foun…
What are the subdivisions of the PNS?
Somatic Nervous System
Autonomic Nervous System
PNS consists of nervous tissue outside the brain and spinal c…
Somatic... Autonomic... Enteric
involved in voluntary skeletal muscle activities
regulates activities of smooth muscle, cardiac muscle, and gl…
What types of nervous tissues are foun…
PNS consists of nervous tissue outside the brain and spinal c…
What are the subdivisions of the PNS?
Somatic... Autonomic... Enteric
67 terms
Nervous System Part3
Sodium Potassium Pump
3:2 (Na+out K+in)
Action potential
Depolarization
Active transport mechanism in plasma membrane transports NA+…
This NA+K+ mechanism in the plasma membrane actively pumps NA…
Known as a nerve impulse. Every neuron has one. Its the membr…
In action potential the NA+ flows in, local ________occurs.
Sodium Potassium Pump
Active transport mechanism in plasma membrane transports NA+…
3:2 (Na+out K+in)
This NA+K+ mechanism in the plasma membrane actively pumps NA…
59 terms
Anatomy and Physiology: Nervous System Part 3
Cranial Nerves
Rostal
Caudal
Neural Tube
- derive completely from the brain ... - numerically arranged fo…
- closer to the brain
- Closer to the spinal cord
- Primary and Secondary Brain vesicles
Cranial Nerves
- derive completely from the brain ... - numerically arranged fo…
Rostal
- closer to the brain
15 terms
Nervous system (Part 3)
What is a Refractory Period?
Chemically- gated ion channels ?
Voltage gated ion channels?
Whats is a Neurotransmitter?
This is when there is no action potentials that can be genera…
...
...
It is a chemical messenger.
What is a Refractory Period?
This is when there is no action potentials that can be genera…
Chemically- gated ion channels ?
...
22 terms
Anatomy & Physiology Nervous System Vocabulary Part 3
Anterior median fissure
Arachnoid
Ascending tract
Cauda equina
A groove along the anterior midline of the spinal cord that i…
The middle meninges that encloses CSF and protects the centra…
Carry sensory information toward the brain
A bundle of spinal nerves and spinal nerve roots that like li…
Anterior median fissure
A groove along the anterior midline of the spinal cord that i…
Arachnoid
The middle meninges that encloses CSF and protects the centra…
12 terms
Nervous System - Part 3 (academic anatomy)
The Synapse
Presynaptic Neuron
Postsynaptic Neuron
Synaptic Knob
The place where impulses are transmitted from one neuron, cal…
1st neuron / neuron situated next to synapse
2nd neuron / situated below, is distal to synapse
Tiny budge at the end of a terminal branch of a pre synaptic…
The Synapse
The place where impulses are transmitted from one neuron, cal…
Presynaptic Neuron
1st neuron / neuron situated next to synapse
Nervous system part 3
neural pools
Divergence
Convergence
Neural pools
Groups of interconnected neurons with specific functions
Spread of information from one neuron to several others
Several neurons send information to one other
Two common types of ......... - Divergence ... - Convergence
neural pools
Groups of interconnected neurons with specific functions
Divergence
Spread of information from one neuron to several others
12 terms
Nervous System Part 3
Ganglion
In sympathetic NS what is the expecito…
the autonomic nervous system
The 2 systems of the autonomic nervous…
Where two neurons meet
they only release Ach not norepinephrine.
System is part of the motor division of the PNS... regulates pri…
Sympathetic Nervous System... Parasympathetic Nervous System
Ganglion
Where two neurons meet
In sympathetic NS what is the expecito…
they only release Ach not norepinephrine.
61 terms
Anatomy Final - Nervous System - Part 3
meninges
central nervous system
diploe
arachnoid mater
their function is to protect the central nervous system
the function of the meninges is to protect the ...
superficial to the dura mater and epidural space; the most su…
where are ependymal cells located within the CNS?
meninges
their function is to protect the central nervous system
central nervous system
the function of the meninges is to protect the ...
65 terms
Bio 222 Nervous System Part 3 Potentials
ions
protein subunits of ion channel
pore of ion channel
closed ion channel
A
B
C
D
ions
A
protein subunits of ion channel
B
12 terms
Nervous System Part 3
What does the white and gray matter of…
What are the three nerves of the spina…
What is the difference b/t spinal refl…
What are somatic reflex's target cells…
- White matter: transmits information to and from brain... - Gra…
1. Afferent (sensory) Neuron (blue)... 2. Interneuron - receives…
Spinal reflex is where the spinal cord is the integration cen…
Somatic: skeletal muscle... Autonomic: smooth muscle, cardiac mu…
What does the white and gray matter of…
- White matter: transmits information to and from brain... - Gra…
What are the three nerves of the spina…
1. Afferent (sensory) Neuron (blue)... 2. Interneuron - receives…
22 terms
Nervous System Part 3
Anterior Median Fissure
Arachnoid
Ascending Tract
Cauda Equina
A groove along the anterior midline of the spinal cord that i…
A delicate membrane interposed between the dura mater and the…
A nerve pathway that goes upward from the spinal cord toward…
A bundle of spinal nerve roots that arise from the end of the…
Anterior Median Fissure
A groove along the anterior midline of the spinal cord that i…
Arachnoid
A delicate membrane interposed between the dura mater and the…
21 terms
Nervous system (part 3)
Anterior Median Fissure
Arachnoid
Ascending Tract
Cauda Equina
The deeper grove on the anterior side of the spinal cord
The middle meninges that encloses csf and protects the CNS
Carry sensiry information towards the brain
The spinal cord like like a horse tail because it extends onl…
Anterior Median Fissure
The deeper grove on the anterior side of the spinal cord
Arachnoid
The middle meninges that encloses csf and protects the CNS
24 terms
Nervous System Part 3
anterior median fissure
arachnoid
ascending tract
cauda equina
deep grove in spinal cord
spider-like appearance; separated from dura mater by narrow s…
sensory information to brain
threadlike extensions at bottom of spinal cord; looks like ho…
anterior median fissure
deep grove in spinal cord
arachnoid
spider-like appearance; separated from dura mater by narrow s…
36 terms
ANATOMY FINAL (the nervous system) part 3
nerve cells
what are neurons?
the structural units of the nervous sy…
what is the function of neurons?
neurons
excitable cells that transfer electrical signals
neurons
conduct nerve impulses
nerve cells
neurons
what are neurons?
excitable cells that transfer electrical signals
16 terms
Nervous System Part 3
Synapses
Electrical synapses
Chemical synapses
Excitatory Post Synaptic Potential
These are the gaps between neurons or between neuron and effe…
These require direct contact of cells for continuous electric…
These are the most common in animals. These require a neurotr…
This refers to the ability to generate a nerve impulse.
Synapses
These are the gaps between neurons or between neuron and effe…
Electrical synapses
These require direct contact of cells for continuous electric…
51 terms
Anatomy Lecture 21: Nervous System part 3
where does the spinal chord arise from?
segment
regions of the spinal chord
cervical enlargement
the brainstem at the foramen magnum
part of the spinal chord supplied by each pair of spinal nerves
cervical, thoracic, lumbar, sacral
- nerves to upper limb... - area of the chord that is thicker
where does the spinal chord arise from?
the brainstem at the foramen magnum
segment
part of the spinal chord supplied by each pair of spinal nerves
63 terms
anatomy chapter 11 part 3 nervous system
synapse
axodendritic
axosomatic
axoaxonal
junction that mediates information transfer from neuron to ne…
between axon terminals of one neuron and dendrites of others
between axon terminals of one neuron and soma of others
axon to axon
synapse
junction that mediates information transfer from neuron to ne…
axodendritic
between axon terminals of one neuron and dendrites of others
17 terms
Nervous System Part 3 Disorders
Meningitis
Elipepsy
Grand Mal seizure
Petit Mal seizure
Inflammation of the lining of the brain and spinal cord. May…
Seizure disorder of brain, recurring and excessive electrical…
severe , convulsive seizure
milder, seems to be staring or daydreaming
Meningitis
Inflammation of the lining of the brain and spinal cord. May…
Elipepsy
Seizure disorder of brain, recurring and excessive electrical…
103 terms
nervous system part 3
rostral
caudal
how much does the male brain weigh?
how much does the female brain weigh?
toward the forehead
toward the spinal cord
1,600 g
about 1,400 g or 3 lbs
rostral
toward the forehead
caudal
toward the spinal cord
28 terms
Anatomy Test 3 Part 3 Nervous System
Nervous System
Nervous System 3 functions
Central Nervous System (CNS)
Peripheral Nervous System (PNS)
nervous cells communicate by electrical or chemical signals
Integration: Thinking, processing... Sensory: vision, hearing, t…
Brain... Spinal Cord
nerves; cranial/spinal... Cranial nerves (12 pairs)... Spinal Nerve…
Nervous System
nervous cells communicate by electrical or chemical signals
Nervous System 3 functions
Integration: Thinking, processing... Sensory: vision, hearing, t…
14 terms
Nervous System Part 3
autonomic nervous system
somatic NS
autonomic NS
sympathetic division of ANS:
-somatic nervous system: consists of sensory neurons travelin…
-voluntary control (from cerebrum)... -reflexive control (brain…
-involuntary control (or reflexive) from brainstem, hypothala…
-prepares the body for stressful situations or physical activ…
autonomic nervous system
-somatic nervous system: consists of sensory neurons travelin…
somatic NS
-voluntary control (from cerebrum)... -reflexive control (brain…
44 terms
The Peripheral Nervous System Part 3
Sensory and motor nerves
Cervical nerves
Thoracic nerves
Lumbar nerves
31 pairs
8; C1-C8
12; T1-T12
5; L1-L5
Sensory and motor nerves
31 pairs
Cervical nerves
8; C1-C8
45 terms
Nervous System Part 3
Spinal Nerves
Dorsal (afferent) roots
Ventral (efferent) roots
Cervical
31 pairs that leave vertebral canal through intervertebral fo…
arise from dorsal and medial gray matter of the spinal cord
arise from ventral and lateral parts of spinal cord
8 pairs
Spinal Nerves
31 pairs that leave vertebral canal through intervertebral fo…
Dorsal (afferent) roots
arise from dorsal and medial gray matter of the spinal cord
27 terms
Nervous system part 3
Presynaptic neuron
Postsynaptic neuron
most common synapse
chemical synapse made of 2 parts
neuron conducting impulses toward the synapse... Sends information
neuron transmitting the electrical signals away from the syna…
chemical
Axon terminal... receptor region
Presynaptic neuron
neuron conducting impulses toward the synapse... Sends information
Postsynaptic neuron
neuron transmitting the electrical signals away from the syna…
22 terms
Nervous System Part 3
Arachnoid
Ascending tract
Dura Mater
Fissure
The middle meninges that encloses the CSF and protects the Ce…
A tract carrying information from the spinal cord to the brain.
Outermost component of the meninges that surround the brain a…
An elongated groove or opening.
Arachnoid
The middle meninges that encloses the CSF and protects the Ce…
Ascending tract
A tract carrying information from the spinal cord to the brain.
23 terms
Nervous System Part 3
Anterior median fissure
Arachnoid
Ascending tract
Cauda equina
deep groove
separated form dura mater by narrow subdural space; contains…
sensory info to brain
visually similar to a horse's tail; part of spinal cord
Anterior median fissure
deep groove
Arachnoid
separated form dura mater by narrow subdural space; contains…
81 terms
nervous system part 3
receptors
receptors
neurotransmitters
local potentials
what determines whether it is an excitatory stimulus or an in…
show a high degree of specificity
more than 1 type of receptor exists for some ...
a series of presynaptic action potentials causes a series of…
receptors
what determines whether it is an excitatory stimulus or an in…
receptors
show a high degree of specificity
16 terms
part 3 nervous system
peripheral nervous system
pia meter
plexus
pons
nerves outside the brain and spinal cord, cranial, spinal, an…
thin delicate inner membrane of the meninges
large interlacing network of nerves, examples are lumbosacral…
part of the brain anterior to the cerebellum between the medu…
peripheral nervous system
nerves outside the brain and spinal cord, cranial, spinal, an…
pia meter
thin delicate inner membrane of the meninges
22 terms
nervous system part 3
anterior median fissure
arachnoid
ascending tract
cauda equina
the deep groove on the front facing side of the spine
layer of meninges containing lymphatic fluid, layer of squamo…
sends sensory info to the brain
dorsal, ventral roots, threadlike extensions near the base of…
anterior median fissure
the deep groove on the front facing side of the spine
arachnoid
layer of meninges containing lymphatic fluid, layer of squamo…
22 terms
Nervous System Part 3
Anterior median fissure
Arachanoid
Ascending tract
Cauda equina
Divides cord into left and right halves.
Separated from dura mater by narrow subdural space, contains…
Sensory info to brain
End of spine, long dorsal & ventral roots and threadlike exte…
Anterior median fissure
Divides cord into left and right halves.
Arachanoid
Separated from dura mater by narrow subdural space, contains…
23 terms
nervous system part 3
anterior median fissure-
arachnoid-
ascending tract-
cauda equina-
deep groove, comes closer to central canal
separated from dura mater by narrow subdural space contains l…
sensory info to brain, in all 3 columns of white matter
long dorsal and ventral roots and threadlike extensions that…
anterior median fissure-
deep groove, comes closer to central canal
arachnoid-
separated from dura mater by narrow subdural space contains l…
Nervous System Practical Part 3
Dura mater
Epidural space
Arachnoid Mater
Subarachnoid space
Very tough superficial layer; composed of two layers
Space between the cranial bones and the dura mater, usually f…
Very thin middle layer; contains numerous weblike extensions…
Space between the arachnoid mater and pia mater; filled with…
Dura mater
Very tough superficial layer; composed of two layers
Epidural space
Space between the cranial bones and the dura mater, usually f…
26 terms
AP 11 Nervous System Part 3 - Neurons
Cells of Nervous System
Neuroglia
Neurons
Parts of Neuron
Neuroglia (nonneuron), Neurons
nonneural cells (nerve glue); also called glial cells; suppor…
(nerve cells) receive stimuli and transmit action potentials…
Cell body (soma), Dentires (input), Axon (output)
Cells of Nervous System
Neuroglia (nonneuron), Neurons
Neuroglia
nonneural cells (nerve glue); also called glial cells; suppor…
55 terms
Nervous System Part 3/Autonomic Nervous System
lumbar
cauda equina
lumbar puncture
above
area where the spinal cord teases apart
middle body in lumbar where rootlets branch off
cant poke needle directly in the spinal cord
nerve exists above/below c1-7
lumbar
area where the spinal cord teases apart
cauda equina
middle body in lumbar where rootlets branch off
45 terms
The Nervous System part 3
Diencephalon
Brain stem
Gyri
Sulci
Thalamus, hypothalmus, epithalmus
Medulla oblongata, pons, midbrain
Folds or convolutions
Grooves on the surface of the cerebral hemisphere
Diencephalon
Thalamus, hypothalmus, epithalmus
Brain stem
Medulla oblongata, pons, midbrain
13 terms
The Nervous System: Part 3
The axon of certain neurons are covere…
White matter in the CNS consists of
Along a neuron, the correct pathway fo…
Dendrites conduct impulses ... cell bo…
fatty tissue called the myelin sheath that helps speed neural…
myelinated nerve fibers
dendrite... cell body... axon
toward... away from
The axon of certain neurons are covere…
fatty tissue called the myelin sheath that helps speed neural…
White matter in the CNS consists of
myelinated nerve fibers
21 terms
Nervous System Part 3 - Peripheral Nervous System
What is the somatic system?
What are the cranial nerves of the som…
What is an example of a cranial nerve?
What does each spinal nerve of the som…
voluntary control with more spinal nerves than cranial nerves…
functions of the head, neck, and face
the Vagus nerve is a cranial nerve that connects to internal…
sensory and motor neurons
What is the somatic system?
voluntary control with more spinal nerves than cranial nerves…
What are the cranial nerves of the som…
functions of the head, neck, and face
23 terms
Nervous system part 3
anterior median fissure
arachnoid
ascending tract
caudal equina
...
separated from dura mater by narrow subdural space (contains…
sensory into to brain
looks like a horses tail, part of spinal cord gross anatomy
anterior median fissure
...
arachnoid
separated from dura mater by narrow subdural space (contains…
17 terms
Nervous System Part 3
Amygdala
Endorphins
Midbrain
Hypothalamus
Main limbic region for emotions
CNS neurotransmitters with pain relieving properties
Is commonly referred to as the highway through the brain stem…
Controls homeostatic mechanisms (heart rate/arterial blood pr…
Amygdala
Main limbic region for emotions
Endorphins
CNS neurotransmitters with pain relieving properties
39 terms
Nervous system part 3
PNS
Nerve
Ganglion
Fasicles
Made of nerves and ganglia outside CNS. Neuron fibers are bun…
Bundle of neuron fibers
Group of cell bodies
Group of neurons
PNS
Made of nerves and ganglia outside CNS. Neuron fibers are bun…
Nerve
Bundle of neuron fibers
13 terms
Nervous System Part 3
Conjuctiva
Lacrimal Apparatus
Taste Buds
Rhinitis
delicate, transparent mucous membrane that covers the inside…
structures involved with the secretion and production of tears
sensory end organs that provide us with a sense of taste
inflammation of the mucous membranes that line the nasal pass…
Conjuctiva
delicate, transparent mucous membrane that covers the inside…
Lacrimal Apparatus
structures involved with the secretion and production of tears
32 terms
Nervous System Part 3
Somatic Nervous System
Chemoreceptors
Pain receptors
Thermoreceptors
Consists of the cranial and spinal nerve fibers that connect…
Sense changes in the chemical concentration
Tissue damage
Change in the temperature
Somatic Nervous System
Consists of the cranial and spinal nerve fibers that connect…
Chemoreceptors
Sense changes in the chemical concentration
45 terms
Nervous System Part 3??
Grey portion of spinal cord
Grey posterior/ dorsal horn
Sensory nerve axons
Grey anterior/ ventral horn
divided into posterior horn, lateral horn and anterior horn
receives sensory axons from the periphery, enter point of sen…
synapse with interneurons in spinal cord, pass into white mat…
moor neurons (axons) exit the spinal cord, enter a spinal ner…
Grey portion of spinal cord
divided into posterior horn, lateral horn and anterior horn
Grey posterior/ dorsal horn
receives sensory axons from the periphery, enter point of sen…
50 terms
Nervous System Part 3
How many pairs of spinal nerves are th…
The outskirt nerves
What type of neurons make up the Senso…
How many cervical pairs are there?
31
-Peripheral Nerves
-Sensory and motor
8
How many pairs of spinal nerves are th…
31
The outskirt nerves
-Peripheral Nerves
22 terms
Nervous system part 3
cranial nerves indicated by
Cranial nerves may have 1 of 3 functions
Cranial nerve numbers
Organization of spinal nerves
Roman numerals I-XII from anterior to posterior and names
sensory (special or general), ... somatic motor (control of skel…
I. olfactory ... II. optic... III. oculomotor ... IV. trochlear ... V. tr…
-31 pairs of spinal nerves... -first pair exit vertebral column…
cranial nerves indicated by
Roman numerals I-XII from anterior to posterior and names
Cranial nerves may have 1 of 3 functions
sensory (special or general), ... somatic motor (control of skel…
22 terms
Nervous system part 3
Anterior median fissure
Arachnoid
Ascending tract
Cauda equina
Deep groove in the spinal cord
One of the 3 meningeal layers
Carry information to the brain
Part of spinal cord that looks like a horses tail
Anterior median fissure
Deep groove in the spinal cord
Arachnoid
One of the 3 meningeal layers
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