PRE-synaptic neuron
This presentation is the property of its rightful owner.
Sponsored Links
1 / 21

synapse (the “gap”) PowerPoint PPT Presentation


  • 59 Views
  • Uploaded on
  • Presentation posted in: General

PRE-synaptic neuron. synapse (the “gap”). POST-synaptic neuron. pre-synaptic neuron. vesicle (bubble). neurotransmitter. axon terminal. synapse. receptor. post-synaptic neuron. 1. electrical signal moves down axon to axon terminal 2. vesicles move toward pre-synaptic membrane.

Download Presentation

synapse (the “gap”)

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Synapse the gap

PRE-synaptic neuron

synapse

(the “gap”)

POST-synaptic neuron


Synapse the gap

pre-synaptic neuron

vesicle (bubble)

neurotransmitter

axon terminal

synapse

receptor

post-synaptic neuron


Synapse the gap

1. electrical signal moves down axon to axon terminal

2. vesicles move toward pre-synaptic membrane


Synapse the gap

3. vesicle fuses with presynaptic membrane


Synapse the gap

this releases neurotransmitter molecules (purple balls) into the synapse


Synapse the gap

neurotransmitters cross the synapse

if they fall into a matching receptor, the postsynaptic neuron may fire


Synapse the gap

there can be different KINDS of neurotransmitters

acetylcholine

(uh-SEE-tul-KOL-een)

dopamine

(DOPE-uh-meen)

and different kinds of RECEPTORS


Synapse the gap

  • note there are receptors for both purple and orange neurotransmitters on the postsynaptic neuron

  • in reality there are about 60 different neurotransmitters and receptors

  • a neurotransmitter must fall into the proper receptor or else no signal will be sent

  • different parts of the brain have different concentrations of receptors and neurotransmitters


  • Login