My questions about this are: Where exactly does this take place? Is this occurring in the axon as the information is being transferred down to the axon terminals or is it only occurring at the site of the presynaptic cleft? 2. Could you give me a break down of the neurotransmitter release process? These may refer to the same thing but I'm including photos for you to reference what I'm asking about. For the sodium channels, I don't need to know about the types of gates, just the movement and changes in electrical charge.
My questions about this are: Where exactly does this take place? Is this occurring in the axon as the information is being transferred down to the axon terminals or is it only occurring at the site of the presynaptic cleft? 2. Could you give me a break down of the neurotransmitter release process? These may refer to the same thing but I'm including photos for you to reference what I'm asking about. For the sodium channels, I don't need to know about the types of gates, just the movement and changes in electrical charge.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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I need to know a few things about the process of neurotransmission.
1. In the lectures for my class we discussed sodium and potassium channels and how they open to allow more sodium and so on to increase then later decrease the charge.
My questions about this are:
Where exactly does this take place? Is this occurring in the axon as the information is being transferred down to the axon terminals or is it only occurring at the site of the presynaptic cleft?
2. Could you give me a break down of the neurotransmitter release process?
These may refer to the same thing but I'm including photos for you to reference what I'm asking about. For the sodium channels, I don't need to know about the types of gates, just the movement and changes in electrical charge.
Transcribed Image Text:Cell body
O Synthesis of
neurotransmitter
and formation
of vesicles
Transport of
neurotransmitter
down axon
Presynaptic
terminal
3 Action
potential
travels
down
the axon
Action potential causes
calcium to enter,
evoking release of
neurotransmitter
Synaptic/
cleft
Reuptake of neuro-
transmitter to be
recycled
5 Neurotransmitter
attaches to receptor,
exciting or
inhibiting
postsynaptic
Vesicles without
Separation of
neurotransmitter
molecules from
receptors
neurotransmitter
transported back
to cell body
neuron
Postsynaptic
neuron
Transcribed Image Text:Types of Voltage gated ion
channel:
VOLTAGE-GATED CHANNELS
(A) Na*
channel
(B) Ca+
channel
(C) K*
channel
(D) CI
channel
Voltage
sensor
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