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Postsynaptic Potential
Postsynaptic Potential

... • The released glutamate acts on postsynaptic glutamate receptors • Cleared by glutamate transporters ...
Human Body Systems - Whitehall District Schools
Human Body Systems - Whitehall District Schools

... of the nervous system that transmits impulses throughout your body • 3 Types: – Sensory – Motor – Interneuron ...
File
File

...  Acetylcholine (often abbreviated ACh) is the most common neurotransmitter. It is located in both the central nervous and peripheral nervous system  Acetylcholine was the first neurotransmitter be identified in 1914  As a neuromodulator it acts on basic autonomic and muscular fuctions  Sarin Gas ...
The Nervous System : communication
The Nervous System : communication

... In the normal communication process, dopamine is released by a neuron into the synapse, where it can bind to dopamine receptors on neighboring neurons. Normally, dopamine is then recycled back into the transmitting neuron by a specialized protein called the dopamine transporter. If cocaine is prese ...
Chapter 3 Notes (part 1) 1. Basic Elements of the Nervous System (a
Chapter 3 Notes (part 1) 1. Basic Elements of the Nervous System (a

... B. For a brief “refractory” period, the cell is unable to fire. (d) Synaptic Transmission (chemical) i. neurotransmitters A. chemical compounds which are either excitatory (opening Na+ channels) or inhibitory (closing Na+ channels) B. released from terminal vesicles when stimulated by an action pote ...
neurons
neurons

... either fires or it doesn’t; more stimulation does nothing.  This is known as the “all-ornone” response. ...
Neuroanatomy
Neuroanatomy

... • Depending on what type of neurotransmitter has been released, the next neuron will react differently. Since nerve cells are connected to the brain, muscles, glands, etc., the entire human body reacts different depending upon what type of neurotransmitter has been released. ...
Slide 1
Slide 1

... • Depending on what type of neurotransmitter has been released, the next neuron will react differently. Since nerve cells are connected to the brain, muscles, glands, etc., the entire human body reacts different depending upon what type of neurotransmitter has been released. ...
Lecture 5 Transmitters and receptors lecture 2015
Lecture 5 Transmitters and receptors lecture 2015

... •Dopamine is believed to be involved in motivation, reward, and reinforcement and many drugs of abuse affect dopaminergic synapses. Dopamine action in the synaptic cleft is terminated by the reuptake of dopamine into the nerve terminal or neighboring glia by a Na+ dependent dopamine transporter (DAT ...
Neuro2
Neuro2

... Golgi network. These vesicles are transported down to synaptic terminals along microtubules (usually due to an influx of calcium from the extracellular space). The vesicles fuse w/ the membrane at “active zones” and release their drugs into the extracellular space. transportdockingprimingfusionr ...
Biological synaptic functioning ordering activity
Biological synaptic functioning ordering activity

... Vesicles containing neurotransmitters move towards the presynaptic membrane. Vesicles fuse with the pre-synaptic membrane and release neurotransmitters into the synaptic cleft Neurotransmitters diffuse across the synapse and attach to receptors on the post synaptic membrane Activity in the receptors ...
NEUROTRANSMITTERS AND RECEPTORS
NEUROTRANSMITTERS AND RECEPTORS

... Binds to allosteric binding site Induced fit results in opening of active site ...
Assignment 2 - Gordon State College
Assignment 2 - Gordon State College

... 31. The ___________________ is known as the “brain’s sensory switchboard” because information from all the senses except smell goes through here to be relayed to the appropriate part of the brain. 32. In the limbic system, the _______________________ plays a large role in the ability to form and pro ...
Nervous System Functions
Nervous System Functions

... The gated channels for Ca2+ respond to the action potential by opening up.  In turn, the Ca2+ enters the cell and triggers the release of neurotransmitters.  The neurotransmitter crosses the synapse and binds with protein receptors on the next neuron membrane.  Neurotransmitters degrade or are re ...
Synaptic Transmission - Interactive Physiology
Synaptic Transmission - Interactive Physiology

... • Motor neurons of the somatic nervous system release acetylcholine. • They are cholinergic. • Skeletal muscles bear nACh receptors. • Thus the action of acetylcholine on skeletal muscle is direct, fast, and excitatory. • The first of two neurons in the sympathetic chain, the preganglionic neuron, i ...
MS Word Version - Interactive Physiology
MS Word Version - Interactive Physiology

... • Motor neurons of the somatic nervous system release acetylcholine. • They are cholinergic. • Skeletal muscles bear nACh receptors. • Thus the action of acetylcholine on skeletal muscle is direct, fast, and excitatory. • The first of two neurons in the sympathetic chain, the preganglionic neuron, i ...
Chapter 2: Neuroscience
Chapter 2: Neuroscience

... When the action potential reaches the end of the axon, it triggers the release of neurotransmitters (chemical messengers) Neurotransmitters cross the synaptic gap and binds to the receptor sites on the receiving neuron. Neural Networks and learning a song (singing OR playing an instrument). Patterns ...
Nervous System Exam Review
Nervous System Exam Review

... Know the 5 types of neuroglia cell --- where are they found, what do they do. Identify neurons by structural classification and functional classification. Explain how an impulse travels and the ions involved. Terms: action potential resting membrane potential repolarization depolarization sodium-pot ...
Neurons & the Nervous System
Neurons & the Nervous System

... Today’s Goal  You will be able to…. • Identify the parts of a neuron and their functions in creating & sending neural messages. ...
The Nervous Systeminofnotes
The Nervous Systeminofnotes

... • 4. The motor neuron sends the message to the muscles to carry out your response. ...
Neurophysiology Worksheet
Neurophysiology Worksheet

... paralysis. Eventually, the muscles atrophy because of a lack of adequate activity involving contraction. ...
Specialized Neurotransmitters Dopamine
Specialized Neurotransmitters Dopamine

... impulse can only travel from the presynaptic side to the postsynaptic side. • 3. To prevent over stimulation of effectors. Constant stimulation causes neurotransmitter production to cease. In this way we get used to stimuli such as pain or noise. • 4. Certain chemicals can block the impulse. This is ...
Nervous System
Nervous System

... • A young bird leaves the nest but does not become sexually mature until the following spring. • A male that has been hatched and reared in isolation can sing but not the species specific song. • If a young bird hears the adult song but its hearing is blocked before spring it is unable to repeat th ...
Types of neurons
Types of neurons

...  Not present on all cells  When present increases the speed of neural signals down the axon. ...
23Neurotransmitter22012-09
23Neurotransmitter22012-09

... NEUROTRANSMITTERS DEFINITION: Are chemical substances released by electrical impulses into the synaptic cleft from synaptic vesicles of presynaptic membrane . It then diffuses to the postsynaptic membrane, binds to and activates the receptors present leading to initiation of new electrical signals ...
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Neurotransmitter

Neurotransmitters are endogenous chemicals that enable neurotransmission. They transmit signals across a chemical synapse, such as in a neuromuscular junction, from one neuron (nerve cell) to another ""target"" neuron, muscle cell, or gland cell. Neurotransmitters are released from synaptic vesicles in synapses into the synaptic cleft, where they are received by receptors on other synapses. Many neurotransmitters are synthesized from simple and plentiful precursors such as amino acids, which are readily available from the diet and only require a small number of biosynthetic steps to convert them. Neurotransmitters play a major role in shaping everyday life and functions. Their exact numbers are unknown but more than 100 chemical messengers have been identified.
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