Study sets matching "the synapse"

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Study sets matching "the synapse"

24 terms
Synapse
Synapse
Synaptic cleft
Neurotransmitters
Describe how the neurotransmitters cro…
The place where two neurons meet.
the tiny gap of about 20 nm between the terminal of a neuron…
Action potentials are transmitted across the synaptic cleft b…
The neurotransmitters are in vesicles in the pre-synaptic cel…
Synapse
The place where two neurons meet.
Synaptic cleft
the tiny gap of about 20 nm between the terminal of a neuron…
7 terms
Synapse
Vesicles
Synaptic cleft
Calcium ions
Chemically gated channels
A
E
Vesicles
Synaptic cleft
13 terms
Synapse
Presynaptic membrane
Axon
Axon knob ( terminal)
Telodendria
Is an part of an axon ( Telodendria) inside are the synaptic…
conducts electrical impulses away from the neurons cell body.
is a distal termination, that conducts electrical impulses aw…
a terminal branch of the axon that can contact with other neu…
Presynaptic membrane
Is an part of an axon ( Telodendria) inside are the synaptic…
Axon
conducts electrical impulses away from the neurons cell body.
12 terms
Synapse
Synapse
Synaptic cleft
Neurotransmitters
Describe how the neurotransmitters cro…
The place where two neurons meet.
the tiny gap terminal of a neuron and the dendrite of another…
chemicals that carry message from neuron to neuron across a s…
The neurotransmitters are in vesicles in the cell. When the a…
Synapse
The place where two neurons meet.
Synaptic cleft
the tiny gap terminal of a neuron and the dendrite of another…
Synapse
Presynaptic membrane model
endoplasmic reticulum
mitochondria
vesicles
...
Presynaptic membrane model
endoplasmic reticulum
The Synapse
Electrical Synapse
Chemical Synapse
Ionotropic receptors
Metabotropic receptors
two neurons linked together with gap junctions - they act lik…
channel linked receptors, ligand gated channels. The receptor…
G protein - coupled receptors, receptor and ion channel are 2…
Electrical Synapse
two neurons linked together with gap junctions - they act lik…
Chemical Synapse
Synapse
synapse
axon terminal
vessicles
open vessicles
site where transmission of a nerve impulse from one nerve cel…
end of axon
sac like structures filled with chemicals
where the message comes out, and chemicals are released
synapse
site where transmission of a nerve impulse from one nerve cel…
axon terminal
end of axon
42 terms
The Synapse
Neuron doctrine
Reticular theory
Gap junctions
chemical synapses
nervous system is composed of discrete cells, each with its o…
neurons are connected in a way such that it is one giant, con…
Allow direct ion flow. Small connections maintaining cytosol…
Electrical signals arrive at the nerve terminal, carried from…
Neuron doctrine
nervous system is composed of discrete cells, each with its o…
Reticular theory
neurons are connected in a way such that it is one giant, con…
65 terms
Synapse
Dendrites
Nucleus
Cell body
Myelin sheath
Receive info
Provide energy for the neuron
Life support center
Covers the axon and 'insulates' it to speed up neural impulses
Dendrites
Receive info
Nucleus
Provide energy for the neuron
The synapse
3 factors that determine electrical ac…
Explain one reason why ions move acros…
To move down concentration gradient if…
Explain a third reason why ions move a…
why, when, how well ions move across cell membrane
To neutralise the cell
Explain a second reason why ions move across the cell
Due to an action potential
3 factors that determine electrical ac…
why, when, how well ions move across cell membrane
Explain one reason why ions move acros…
To neutralise the cell
24 terms
Synapse
Synapse
Synaptic cleft
Neurotransmitters
Describe how the neurotransmitters cro…
The place where two neurons meet.
the tiny gap of about 20 nm between the terminal of a neuron…
Action potentials are transmitted across the synaptic cleft b…
The neurotransmitters are in vesicles in the pre-synaptic cel…
Synapse
The place where two neurons meet.
Synaptic cleft
the tiny gap of about 20 nm between the terminal of a neuron…
synapse
axon
vesicles
neurotransmitter
receptors
axon
vesicles
6 terms
synapse
synapse
presynaptic membrane
postsynaptic membrane
synaptic cleft
consists of presynaptic membrane, postsynaptic membrane, syna…
membrane of the terminal bouton
membrane of the next neuron, gland, muscle
the space between the presynaptic membrane & postsynaptic mem…
synapse
consists of presynaptic membrane, postsynaptic membrane, syna…
presynaptic membrane
membrane of the terminal bouton
synapse
synaptic vesicle
nerve impulse
presynaptic neuron
surface of postsynaptic neuron
synaptic vesicle
nerve impulse
Synapse
vesicle
axon
calcium channel
calcium
pink
goes through pink
vesicle
axon
24 terms
Synapse
Synapse
Synaptic cleft
Neurotransmitters
Describe how the neurotransmitters cro…
The place where two neurons meet.
the tiny gap of about 20 nm between the terminal of a neuron…
Action potentials are transmitted across the synaptic cleft b…
The neurotransmitters are in vesicles in the pre-synaptic cel…
Synapse
The place where two neurons meet.
Synaptic cleft
the tiny gap of about 20 nm between the terminal of a neuron…
12 terms
synapse
- Electrical (axon) to chemical (synap…
- axon... - ending in axon terminals... - br…
presynaptic neuron
- store and release neurotransmitters
Functions at synapse
presynaptic neuron
synaptic vesicles
- Electrical (axon) to chemical (synap…
Functions at synapse
- axon... - ending in axon terminals... - br…
presynaptic neuron
23 terms
Synapse
synapse
EPSP
IPSP
reuptake
a region where nerve impulses are transmitted and received, e…
a graded depolarization that results from a flow of sodium io…
a temporary hyperpolarization that selectively opens the gate…
a reabsorption of a neurotransmitter by the presynaptic termi…
synapse
a region where nerve impulses are transmitted and received, e…
EPSP
a graded depolarization that results from a flow of sodium io…
9 terms
The Synapse
The junction between any two communica…
The gap between neurons at a synapse.…
The neuron transmitting the impulse in…
The neuron that receives input at the…
Synapse
Synaptic cleft
Presynaptic neuron
Postsynaptic neuron
The junction between any two communica…
Synapse
The gap between neurons at a synapse.…
Synaptic cleft
6 terms
The synapse
synaptic cleft
synaptic
neurotransmitters
( Target cell ) receptors
division between neuron and cell
sacs holding neurotransmitters release them into the synaptic…
chemicals released across synapse; passing information to the…
accepts neurons messages; located on dendrites of receiving n…
synaptic cleft
division between neuron and cell
synaptic
sacs holding neurotransmitters release them into the synaptic…
Synapse
NT ______ or ______ postsynaptic neuro…
Neurotransmitter activity depends more…
What causes the slow synaptic to be so…
What are the types of neurotransmitter…
excites or inhibits
Receptor, neurotransmitter
G-protein
Cholinergic (ACh), Aminergic, Amino Acids, polypetides, and g…
NT ______ or ______ postsynaptic neuro…
excites or inhibits
Neurotransmitter activity depends more…
Receptor, neurotransmitter
18 terms
The Synapse
synaptic vesicles
neurotransmitter
synapse/synaptic gap
receptor sites
saclike structures found inside synaptic knob containing chem…
chemical found in synaptic vesicles that, when released, has…
microscopic fluid-filled space between axon terminal of one c…
three-dimensional proteins on surface of dendrites or certain…
synaptic vesicles
saclike structures found inside synaptic knob containing chem…
neurotransmitter
chemical found in synaptic vesicles that, when released, has…
12 terms
The Synapse
Electrical Synapse
Chemical synapse
Directed vs. Non-directed synapse
Neuromodulation
-"gap junctions"... -fuses presynaptic and postsynaptic membrane…
-neurotransmitters released, but a bit slower... -excite or inhi…
-Directed releases towards single postsynaptic neuron... -Non-di…
-Axo-axonic synapses between an axon terminal and another axo…
Electrical Synapse
-"gap junctions"... -fuses presynaptic and postsynaptic membrane…
Chemical synapse
-neurotransmitters released, but a bit slower... -excite or inhi…
13 terms
The Synapse
Dendrites
Axons
Synapse
separating
bring information to the cell body
Take information away from the cell body
Information from one neuron flows to another neuron across a…
The synapse contains a small gap ______ neurons
Dendrites
bring information to the cell body
Axons
Take information away from the cell body
16 terms
The Synapse
energy
leads to degenerative diseases
excititory
way too many neurotransmitters
what is ATP?
what happens with a loss of mitochondrian?
if it's a __________ neurotransmitter action potential happens
what is dystonia?
energy
what is ATP?
leads to degenerative diseases
what happens with a loss of mitochondrian?
12 terms
The Synapse
Synaptic Knob
Axon Terminals
Synaptic Vesicles
Neurotransmitter
rounded areas on the end of the axon terminals
branches at the end of the axon
saclike structures found inside the synaptic knob containing…
chemical found in the synaptic vesicle that, when released, h…
Synaptic Knob
rounded areas on the end of the axon terminals
Axon Terminals
branches at the end of the axon
13 terms
Synapse
Basic activity that happens at a synapse
3 different synapses
Presynaptic structures
Post synaptic structures
- Electrical signal reaches terminal end of axon ... - triggers…
axodendritic ... axosomatic ... axoaxonic
Synaptic vesicles with NT... Presynaptic membrane
Postsynaptic membrane ... Ligan gated receptor
Basic activity that happens at a synapse
- Electrical signal reaches terminal end of axon ... - triggers…
3 different synapses
axodendritic ... axosomatic ... axoaxonic
The synapse
Definition
Synaptic knob
Synaptic cleft
Step 1
The place where impulses are transmitted from one neuron (pre…
Tiny bulge at the end of a presynaptic neuron's axon
Space between a synaptic knob and the plasma memrane of the psn
Electrical impulses arrive at the synaptic knob and neurotran…
Definition
The place where impulses are transmitted from one neuron (pre…
Synaptic knob
Tiny bulge at the end of a presynaptic neuron's axon
13 terms
The synapse
Electrical synapse
Chemical synapse
How are neurotransmitters released
4 ways to modify chemical synapses
action potential travels to the next neuron
presynaptic neuron releases neurotransmitters across the gap…
action potential reaches the presynaptic terminal and activat…
The amount of neurotransmitter, the type of neurotransmitter…
Electrical synapse
action potential travels to the next neuron
Chemical synapse
presynaptic neuron releases neurotransmitters across the gap…
The synapse
Axon
Myelin
Schwan's cell
Nodes of ranvier
One long cell extension, conducts a nerve impulse away from t…
Insulates axon, protects it from nerve impulses, inner areas…
produces myelin
gaps between myelin that speeds up an impulse
Axon
One long cell extension, conducts a nerve impulse away from t…
Myelin
Insulates axon, protects it from nerve impulses, inner areas…
13 terms
The synapse
Dendrites : These receive inputs from…
The pre and post synaptic membranes ar…
Based on their appearance under the mi…
Axodendritic ... Axosomatic... axoaconic
Describe the overall structure of a neurone
Describe the overall structure of a chemical synapse
State the types of chemical synapse found in the central nerv…
Describe the synapse classifications based on the location of…
Dendrites : These receive inputs from…
Describe the overall structure of a neurone
The pre and post synaptic membranes ar…
Describe the overall structure of a chemical synapse
The Synapse
Overall structure of a neurone
Dendrites
Soma
Axon hillock and initial segment
DENDRITES... SOMA... AXON HILOCK and initial segment... AXON... SYNAPSE
receive inputs from other neurones and convey graded electric…
synthetic and metabolic centre. Contains the nucleus, ribosom…
site of initiation of the 'all or none' action potential
Overall structure of a neurone
DENDRITES... SOMA... AXON HILOCK and initial segment... AXON... SYNAPSE
Dendrites
receive inputs from other neurones and convey graded electric…
Synapse
Synaptic Cleft
Synaptic Vesicle
Axon Terminal
Synaptic Knob
Synaptic Cleft
Synaptic Vesicle
5 terms
Synapse
Mitochondrion
Synaptic cleft
Synaptic vesicles
Axon terminal
The gap between the pre and post synaptic cells
Store packets of neurotransmitter chemicals
Mitochondrion
Synaptic cleft
The gap between the pre and post synaptic cells
26 terms
The Synapse
Presynaptic and postsynaptic neurons
neurons conducting impulses towards sy…
neurons transmitting electrical signal…
Axodendritic ( axon terminal of one ne…
What are the two types of neurons?
What are presynaptic neurons?
What are postsynaptic neurons?
What are the two common types of synaptic connections?
Presynaptic and postsynaptic neurons
What are the two types of neurons?
neurons conducting impulses towards sy…
What are presynaptic neurons?
The Synapse
Synapse
Two types of synapses
Electrical Synapse
Chemical Synapse
Junction between 2 neurons or between neuron and muscle
1. Electrical synapse... 2.Chemical synapse
-Cells physically touch each other at small tunnels called ga…
-Cells don't physically touch... -Found between 2 neurons and al…
Synapse
Junction between 2 neurons or between neuron and muscle
Two types of synapses
1. Electrical synapse... 2.Chemical synapse
6 terms
synapse
1
2
3
4
axon
mitochondrion
axon terminal end bulb
synaptic vesicle
1
axon
2
mitochondrion
The Synapse
Synapse
Presynaptic neuron
Postsynaptic neuron
Membrane potential
Junction between 2 neurons or neuron & effector
conducts impulse towards synapse
conducts impulse away from synapse
difference in electrical charge across plasma membrane
Synapse
Junction between 2 neurons or neuron & effector
Presynaptic neuron
conducts impulse towards synapse
The synapse
synapses
Presynaptic neuron
Postsynaptic neuron
Types of Synapses
A junction that mediates information transfer from one neuron…
conducts impulses toward the synapse
transmits impulses away from the synapse
Axodendritic, Axosomatic
synapses
A junction that mediates information transfer from one neuron…
Presynaptic neuron
conducts impulses toward the synapse
THE SYNAPSE
synapse
presynaptic neuron
postsynaptic neuron
synaptic knob
A junction where information is transmitted from one neuron,…
conducts impulses toward the synapse
transmits impulses away from the synapse
tiny bulge at the end of a terminal branch of a presynaptic n…
synapse
A junction where information is transmitted from one neuron,…
presynaptic neuron
conducts impulses toward the synapse
The synapse
synapse
neurotransmitter
acetylcholine
cholinesterase
junction between two neurons, neurons don't touch
substance released by a neuron to connect the neurons
human neurotransmitter
enzyme that decomposes acetylcholine... -stops messages from con…
synapse
junction between two neurons, neurons don't touch
neurotransmitter
substance released by a neuron to connect the neurons
The Synapse
Synapse
Parts of synapse
Terminal Bouton
Synaptic Vesicles
A junction between neurons, between a neuron and a muscle, an…
1) terminal bouton/ presynaptic membrane ... 2) synaptic cleft…
Where are neurotransmitters made?
Surround/ protect neurotransmitters from enzymes inside and o…
Synapse
A junction between neurons, between a neuron and a muscle, an…
Parts of synapse
1) terminal bouton/ presynaptic membrane ... 2) synaptic cleft…
134 terms
The Synapse
Synaptic Transmission Events
Where is Ca2+ channel?
Synaptic vesicle contains?
How do synaptic vesicles fuse?
1) AP depolarizes the axon terminal... 2) This depolarization op…
Located next to vesicle docking sites as it enters in high co…
Neurotransmittiers
Interactions between vesicle membrane and plasma membrane sna…
Synaptic Transmission Events
1) AP depolarizes the axon terminal... 2) This depolarization op…
Where is Ca2+ channel?
Located next to vesicle docking sites as it enters in high co…
The Synapse
electrical synapse
chemical synapse
at the presynaptic cell
at the postsynaptic cell
gap junctions allow direct electrical signalling between cell…
mainly in PNS, info carried to cell via neurotransmitter (rec…
vesicles containing neurotransmitters fuse with presynaptic m…
neurotransmitters can cause 2 types of responses: direct and…
electrical synapse
gap junctions allow direct electrical signalling between cell…
chemical synapse
mainly in PNS, info carried to cell via neurotransmitter (rec…
The Synapse
Gap junctions
Endocrine communication
Paracrine communication
Autocrine communication
-cell-to-cell communication... - direct electrical/chemical conn…
- cells make chemical messenger... -membrane receptor/ in cell... -…
- cells make chemical messenger... -membrane receptor... -chemicals…
- cells make chemical messengers... -membrane receptor... -release…
Gap junctions
-cell-to-cell communication... - direct electrical/chemical conn…
Endocrine communication
- cells make chemical messenger... -membrane receptor/ in cell... -…
23 terms
The synapse
Leeuwenhoek
Schwann
Golgi
Cajal
Reported presence of globules ( cell bodies)
Proposed cells as basic structural units of nervous system, j…
Claimed axons are interconnected and to have visualized conne…
Examined the brain of chicks , never observed any connections…
Leeuwenhoek
Reported presence of globules ( cell bodies)
Schwann
Proposed cells as basic structural units of nervous system, j…
15 terms
The synapse
dendrite spine
Presynaptic membrane
postsynaptic receptor
binding site
a small bud in the surface of a dendrite, with which a termin…
The membrane of a terminal button that lies adjacent to the p…
a receptor molecule in the postsynaptic membrane of a synapse…
the location on a receptor protein to which a ligand binds
dendrite spine
a small bud in the surface of a dendrite, with which a termin…
Presynaptic membrane
The membrane of a terminal button that lies adjacent to the p…
40 terms
The Synapse
gap junction
contact-dependent signals
autocrine signals
paracrine signals
form direct cytoplasmic connections between adjacent cells; u…
require interaction between membrane molecules on two cells
act on same cell that secreted them
secreted by one cell and diffuse to adjacent cells
gap junction
form direct cytoplasmic connections between adjacent cells; u…
contact-dependent signals
require interaction between membrane molecules on two cells
Synapse
The NMDA receptor is a _____ channel?…
Receptors designated alpha or beta are…
The special senses commonly utilize ne…
Where is 5-HT (Seratonin) abundant in…
Gutamatergic
Adrenergic
Bipolar
GI tract and CNS
The NMDA receptor is a _____ channel?…
Gutamatergic
Receptors designated alpha or beta are…
Adrenergic
8 terms
Synapse
Synapse
Chemical Synapse
Step 1
Step 2
the junction that transmits nerve impulses from 1 neuron to a…
the release and up-take of chemical neurotransmitters between…
action potential arrives at the axon terminal
Ca ion channels open to allow Ca ions to enter the axon termi…
Synapse
the junction that transmits nerve impulses from 1 neuron to a…
Chemical Synapse
the release and up-take of chemical neurotransmitters between…
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