2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
The ____ nervous systme
controls the skeletal muscles
somatic
The ___ nervous system
controls the smooth muscles
and glands
autonomic
_________ are fine threads
that make up neurons.
neurofibrils
The brain and spinal cord
make up the ___ nervous
system.
central
The nerves throughout the
body make up the ____
nervous system.
peripheral
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
1/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
Cells found between the
neuron and blood vessels are
called
astrocytes
The three parts that
make up a neuron
dendrite, cell body,
axon
Structural neurons that have a
single process extending from
the cell body are called
unipolar
structrual neurons that have
two processes extending from
the cell body are called
bipolar
structural neurons that have
multiple processes extending
from the cell body are called
multipolar
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
2/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
Neuroglial cells responsible for
producing Myelin are called
oligodendrocytes
Neuroglial cells responsible for
cleaning up debree around the
neuron
microglial cells
Neurons with myelinated
axons make up ___ matter
white
Neurons that are unmylenated
make up ____ matter
grey
The two ions necessary to
create an action potential in a
neuron
sodium, potassium
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
3/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
The ___ function of the nervous system refers to
information being interpreted so that the brain
can make decisions.
integrative
The __ is the junction between
two communicating neurons
synapse
Acetylcholine, serotonin, and
endorphins are all forms of
neurotransmitters
A simple nerve pathway
involved with involuntary action
such knee-jerk and withdraw
reflex arc
Groups of neurons that store common functions
that allow you to complete functions like tying
your shoe (procedural memory)
neuronal pools
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
4/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
There are 31 pairs of
___ nerves
spinal
Neurotransmitters that increase membrane
permeability and the chance that threshold will
be achieved are
excitatory
gaps in the Myelin
sheath are called
Nodes of Ranvier
Cells in the myelin
sheath
Schwann cells
The pathway of a nerve
impulse along a neuron
dendrite to cell body to
axon
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
5/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
There are
12 pairs of
___ nerves
cranial
The
neurotransmitter
that stimulates
the muscle to
contract
acetylcholine
Cells that form
the membrane
around the
brain and spinal
chord
ependymal cells
astrocyteoligodendrocytemicroglialependymal
Identify the different
neuroglial cells
Know the cells
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
6/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
Know these neuroglial
cells
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
7/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
1. dendrite2. cell body3. cell
nucleus4. axon
the parts of the neuron
Identify
4 is pointing to the axon that is coated in a
myelin sheath. The Nodes of Ranvier are the
gaps between these raised sections.
Identify
the Myelin sheath and the Nodes of Ranvier
Where are the ions located
when the cell is at its resting
potential?
Na+ outsideK+ inside
In order for a message to be
sent along the neuron the ___
must be reached
threshold potential
A Stimulus that is received by
the neuron causes the ___
channels to open
Na+
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
8/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
9/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
When Na+ diffuses inward it
_____ the membrane
depolarizes
In order to repolarize the
membrane, ___ diffuses ____
of the membrane
K+out
Once the threshold potential is
reached, a/an ________
potential is sent in waves
along the neuron
action potential
A wave of action potentials is
known as a __________
nerve impulse
Which type of neuron sends a
faster message?
myelinated (as
opposed to
unmyelinated)
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
10/11
2/13/2014
StudyBlue Flashcard Printing of Nervous System part 1
Bean shape = mitochondriaYellow discs =
vesiclesRed dots = neurotransmittersGreen =
Protein channels for reabsorption of
neurotransmitter blue = protein receptorsTop =
presynaptic neuronbottom = postsynaptic
neuronThe space between = synaptic gap
parts of diagram
Identify the
Inhibitory neurotransmitters
____ membrane permeability
decrease (decrease chance
message is sent)
Serotonin is important
for
sleep and temperature
regulation
Give an example of a drug (that was discussed
in class) that could affect the messages sent by
your bodies neurotransmitters
curare, strychnine, cocaine,
morphine, alcohol, LSD
Trace the path of the
messages sent through your
body as a response to a
stimulus
sensory nerves to integrative
nerves to motor nerves
http://www.studyblue.com/servlet/printFlashcardDeck?deckId=9639691
11/11