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Related Concept Videos

The Synapse02:47

The Synapse

132.9K
Neurons communicate with one another by passing on their electrical signals to other neurons. A synapse is the location where two neurons meet to exchange signals. At the synapse, the neuron that sends the signal is called the presynaptic cell, while the neuron that receives the message is called the postsynaptic cell. Note that most neurons can be both presynaptic and postsynaptic, as they both transmit and receive information.
132.9K
Chemical Synapses01:26

Chemical Synapses

11.4K
Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
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Chemical Synapses01:26

Chemical Synapses

4.4K
Chemical synapses are specialized sites between two neurons or between a neuron and a non-neuronal cell like a muscle, glandular or sensory cell.
Because chemical synapses depend on the release of neurotransmitter molecules from synaptic vesicles to pass on their signal, there is an approximately one millisecond delay between when the axon potential reaches the presynaptic terminal and when the neurotransmitter leads to opening of postsynaptic ion channels. Additionally, this signaling is...
4.4K
Electrical Synapses01:28

Electrical Synapses

10.3K
Electrical synapses found in all nervous systems play important and unique roles. In these synapses, the presynaptic and postsynaptic membranes are very close together (3.5 nm) and are actually physically connected by channel proteins forming gap junctions.
Gap junctions allow the current to pass directly from one cell to the next. In contrast, in the chemical synapse, the neurotransmitters carry the information through the synaptic cleft from one neuron to the next. They consist of two...
10.3K
Overview of Synapses01:25

Overview of Synapses

4.9K
A synapse is a specialized structure where two neurons connect, allowing them to pass an electrical or chemical signal to another neuron. It is the point of communication between neurons. The term "synapse" is derived from the Greek word "synapsis," which means "conjunction." The entire process of neural communication revolves around the synapse. When activated, a neuron releases chemicals known as neurotransmitters into the synapse. These neurotransmitters cross the synapse and bind to...
4.9K
Compounds Essential to Human Function01:25

Compounds Essential to Human Function

10.1K
The human body is composed of cells that are fundamentally made up of several different molecules. These molecules are essential to carry out all physiological processes in the body and are broadly classified into organic and inorganic based on their chemical structures.
Inorganic Compounds Essential to Human Functioning
Inorganic compounds essential to human functioning include water, salts, acids, and bases. These compounds are inorganic, i.e., they do not have a carbon-hydrogen bond. Water...
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Related Experiment Video

Updated: Jan 24, 2026

Imaging the Human Immunological Synapse
09:37

Imaging the Human Immunological Synapse

Published on: December 26, 2019

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A Single Human Neuron Approach to Synapse Function.

Pascal Fenske1, Christian Rosenmund1

  • 1Institute of Neurophysiology, Charité - Universitätsmedizin, 10117, Berlin, Germany; NeuroCure Cluster of Excellence, Charité - Universitätsmedizin, 10117, Berlin, Germany.

Trends in Molecular Medicine
|June 4, 2019
PubMed
Summary
This summary is machine-generated.

New methods allow scientists to culture single human neurons, advancing our understanding of human synapse function. This breakthrough is key to studying neuronal operations and unique synaptic properties.

Keywords:
human neuroniPSCsingle-cell modelsynaptic transmission

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Electrophysiological Investigations of Retinogeniculate and Corticogeniculate Synapse Function
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Electrophysiological Investigations of Retinogeniculate and Corticogeniculate Synapse Function

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Post-differentiation Replating of Human Pluripotent Stem Cell-derived Neurons for High-content Screening of Neuritogenesis and Synapse Maturation
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Post-differentiation Replating of Human Pluripotent Stem Cell-derived Neurons for High-content Screening of Neuritogenesis and Synapse Maturation

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Related Experiment Videos

Last Updated: Jan 24, 2026

Imaging the Human Immunological Synapse
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Published on: December 26, 2019

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Electrophysiological Investigations of Retinogeniculate and Corticogeniculate Synapse Function
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Post-differentiation Replating of Human Pluripotent Stem Cell-derived Neurons for High-content Screening of Neuritogenesis and Synapse Maturation
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Area of Science:

  • Neuroscience
  • Cell Biology

Background:

  • Understanding human neuronal function requires knowledge of human synapse operation.
  • Defining unique human synapse properties necessitates novel research approaches.

Purpose of the Study:

  • To highlight recent advancements in culturing single human neurons.
  • To emphasize the importance of these new methods for studying human synapses.

Main Methods:

  • Development of novel culturing techniques for single human neurons.
  • Application of these techniques to establish primary human neuronal cultures.

Main Results:

  • Successful establishment of cultures containing single human neurons for the first time.
  • These cultures provide a new platform for investigating human synaptic physiology.

Conclusions:

  • Recent breakthroughs in culturing single human neurons are critical.
  • These advancements pave the way for detailed studies of human synaptic function and properties.