BIOLOGY 2A03 Chapter Notes - Chapter 8: Adenylyl Cyclase, Protein Kinase A, Chemical Synapse

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11 Feb 2016
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Chapter 8 – Synaptic Transmission
- synaptic cleft 

- Axodendritic synapse
- Axosomatic synapse:
- Axoaxonic synapse
Synaptic Transmission
- Electrical Synapses
o 
o!"gap junctions
#$$%$
o&'$
 $
(%   $    )   

*
o+$    "    $          $    "
%$$
oAdvantages
,-
$."
oDisadvantages
!Bidirectional
/0$  
 
- Chemical Synapses
o,"neurotransmitter /+
$synaptic cleft
o/+         $         

o1- -% 
oAdvantages
Unidirectional
Facilitate integration
oDisadvantages
2"
Chemical Synapse at Rest
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-/"
Chemical Synaptic Transmission
1. AP
2. #  $
3.     " 3 
$4567
8
4. /  1      
receptor $%93$

5. 2
o!  $   *3%*/   * $
 
-+3:-
o; )$ $

Termination of Chemical Synaptic Transmission
- Response is terminated by removal of
neurotransmitter from the cleft
6. & .
7. 23      
 <
o=>)93$3

8. &1
9. 23  
o,$1
-,$"$

Classes of Neurotransmitters
-?1
o=$"$
o=$ 
o,$)$*/
"
o,)/
- Table:$"
oATP ,/&  
oPeptides:
Signal transduction at Chemical Synapses
-/    $              

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