Study sets matching "anatomy nervous system part 3"

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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
Anatomy - Nervous System Part 3
What 2 types of nervous tissues are fo…
What are the subdivisions of the PNS?
Somatic Nervous System
Autonomic Nervous System
1. Nerves... 2. Ganglia
1. Somatic... 2. Autonomic... 3. Enteric
involved in voluntary skeletal muscle activities.
regulates activities of smooth muscle, cardiac muscle, and gl…
What 2 types of nervous tissues are fo…
1. Nerves... 2. Ganglia
What are the subdivisions of the PNS?
1. Somatic... 2. Autonomic... 3. Enteric
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
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
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 ...
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.
The Nervous System: Part 3
Central nervous system
Peripheral nervous system
Neurons
Dendrite
Part of the nervous system that is made up of the brain and s…
Part of the nervous system that consists of all of the nerves…
Nerve cells. They carry electrical messages from one area of…
The branched part of the neuron that receives incoming messag…
Central nervous system
Part of the nervous system that is made up of the brain and s…
Peripheral nervous system
Part of the nervous system that consists of all of the nerves…
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…
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…
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…
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 ?
...
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
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
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
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
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
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
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…
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
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…
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
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…
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
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
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
39 terms
anatomy- the nervous system pt 3
protects
dura mater
periosteum
meningeal layer
the scalp and skin, skull and vertebral column, meninges, and…
double-layered external covering; folds inward in several areas
attached to inner surface of the skull
outer covering of the brain
protects
the scalp and skin, skull and vertebral column, meninges, and…
dura mater
double-layered external covering; folds inward in several areas
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
16 terms
Anatomy Nervous System Test Part 3
Blood brain barrier
Substances not effected by BBB
Traumatic brain injuries
Concussion
Includes the least permeable capillaries of the body , gets r…
Fats and soluble molecules, respiratory gases, alcohol, nicot…
1) Concussion ... 2) contusion ... 3) cerebral edema ... 4) cerebrovas…
Slight brain injury, no permanent damage
Blood brain barrier
Includes the least permeable capillaries of the body , gets r…
Substances not effected by BBB
Fats and soluble molecules, respiratory gases, alcohol, nicot…
45 terms
anatomy: nervous control (part 3)
inhibitory stimuli
hyperpolarization
excitatory stimuli
chloride
some stimuli make neurons less likely to generate an impulse.…
aka after potential. increase membrane permeability to K+. K+…
stimuli that make the inside of the neuron less negative/more…
Cl-. higher number of these outside at rest
inhibitory stimuli
some stimuli make neurons less likely to generate an impulse.…
hyperpolarization
aka after potential. increase membrane permeability to K+. K+…
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…
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…
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
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
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
32 terms
Nervous System part 3
Characteristics of a neurotransmitter
Acetylcholine "Ach" locations
Acetylcholine "Ach" functions
Amino Acids
-small organic molecules... -released when a nerve signal reache…
-neurotransmitter junction... -most synapses of autonomic nervou…
-excites skeletal muscle... -inhibits cardiac muscle... -has excita…
1. Glutamate (glutamic acid)... 2. Aspartate (aspartic acid)... 3.…
Characteristics of a neurotransmitter
-small organic molecules... -released when a nerve signal reache…
Acetylcholine "Ach" locations
-neurotransmitter junction... -most synapses of autonomic nervou…
Nervous System Part 3
3Na+ pupmed out for 2K + 1H+ pumped in.
Inflammation of the eye
Conjunctivitis
Allergic, giant papillary, and bacterial
The Na+/K+ pump exchanges sodium and potassium in the ratio of:
What is conjunctivitis?
Inflammation of the eye
What are 3 types of conjunctivitis?
3Na+ pupmed out for 2K + 1H+ pumped in.
The Na+/K+ pump exchanges sodium and potassium in the ratio of:
Inflammation of the eye
What is conjunctivitis?
23 terms
Nervous System Part 3
Meninges
Dura Mater
Pia Mater
Central Canal
Three layers of specialized membrane surrounding the brain an…
Tough, fibrous, and forms the outermost covering of the CNS
Bound firmly to the underlying neural tissue and blood vessels
Part of the spinal cord that is a narrow internal passageway…
Meninges
Three layers of specialized membrane surrounding the brain an…
Dura Mater
Tough, fibrous, and forms the outermost covering of the CNS
Nervous system part3
neuron
cell body
neurofibrils
process/fibers
highly specialized to transmit messages from one part of the…
metabolic center of the neuron
intermediate filaments that are important in maintaining cell…
arm like; vary in length
neuron
highly specialized to transmit messages from one part of the…
cell body
metabolic center of the neuron
Nervous system part 3
Anterior median fissure
Arachnoid
Ascending tract
Cauda equina
Anterior surface a deeper groove
The middle meninges that enclose CSF and protects the central…
Tract carrying information from the spinal cord to the brain
Long central and dorsal roots of spinal nerves inferior to th…
Anterior median fissure
Anterior surface a deeper groove
Arachnoid
The middle meninges that enclose CSF and protects the central…
Nervous system part3
Foramina
12, I to XII
Olfactory, optic, oculomotor, trochlea…
Trapezious
Where do the cranial nerves exit the cranium?
How many pairs of cranial nerves are there and how are they l…
Name the 12 cranial nerves
Where does the accessory nerve go to?
Foramina
Where do the cranial nerves exit the cranium?
12, I to XII
How many pairs of cranial nerves are there and how are they l…
86 terms
Nervous System part 3
Diencephalon
What are the 4 parts of the diencephal…
this is known as the inner chamber and…
what is the thalamus function?
-located between cerebrum and brainstem ... -prime area for conn…
-thalamus ... -subthalamus... -hyopthalamus... -epithalamus
thalamus
-sensory fiber relay station ... -processes all sensory info.... -i…
Diencephalon
-located between cerebrum and brainstem ... -prime area for conn…
What are the 4 parts of the diencephal…
-thalamus ... -subthalamus... -hyopthalamus... -epithalamus
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