Synapse

In the nervous system, a synapse is a structure that permits a neuron (or nerve cell) to pass an electrical or chemical signal to another neuron or to the target effector cell.

Retrograde signaling in biology is the process where a signal travels backwards from a target source to its original source.

Voltage-gated ion channels are a class of transmembrane proteins that form ion channels that are activated by changes in the electrical membrane potential near the channel.

In cellular neuroscience, the soma (pl. somata or somas; ), perikaryon (pl.

Ligand-gated ion channels (LICs, LGIC), also commonly referred to as ionotropic receptors, are a group of transmembrane ion-channel proteins which open to allow ions such as Na+, K+, Ca2+, and/or Cl− to pass through the membrane in response to the binding of a chemical messenger (i.

Voltage-gated calcium channels (VGCCs), also known as voltage-dependent calcium channels (VDCCs), are a group of voltage-gated ion channels found in the membrane of excitable cells (e.

In molecular biology and physiology, something is GABAergic or GABAnergic if it pertains to or affects the neurotransmitter gamma-aminobutyric acid (GABA).

Schaffer collaterals are axon collaterals given off by CA3 pyramidal cells in the hippocampus.

Santiago Ramón y Cajal (sanˈtjaɣo raˈmon i kaˈxal; 1 May 1852 – 17 October 1934) was a Spanish neuroscientist, pathologist, and histologist specializing in neuroanatomy and the central nervous system.

Neurotransmission (Latin: transmissio "passage, crossing" from transmittere "send, let through") is the process by which signaling molecules called neurotransmitters are released by the axon terminal of a neuron (the presynaptic neuron), and bind to and react with the receptors on the dendrites of another neuron (the postsynaptic neuron) a short distance away.

The neuron doctrine is the concept that the nervous system is made up of discrete individual cells, a discovery due to decisive neuro-anatomical work of Santiago Ramón y Cajal and later presented by, among others, H.

An electrical synapse is a mechanical and electrically conductive link between two neighboring neurons that is formed at a narrow gap between the pre- and postsynaptic neurons known as a gap junction.

In a neuron, synaptic vesicles (or neurotransmitter vesicles) store various neurotransmitters that are released at the synapse.

Norepinephrine (NE), also called noradrenaline (NA) or noradrenalin, is an organic chemical in the catecholamine family that functions in the brain and body as both a hormone and neurotransmitter.

Glutamic acid (symbol Glu or E; the ionic form is known as glutamate) is an α-amino acid that is used by almost all living beings in the biosynthesis of proteins.

Axon terminals (also called synaptic boutons, terminal boutons, or end-feet) are distal terminations of the telodendria (branches) of an axon.

A growth cone is a large actin-supported extension of a developing or regenerating neurite seeking its synaptic target.

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Lecture about synaptic transmission, neurotransmitters and neural plasticity.

Lecture about synaptic transmission, stochastic dynamics and vesicle release.

Lecture about synaptic transmission, electrical synapse and chemical synapse.

Lecture about synaptic transmission, synapse structure and neurotransmitters.

Lecture about synaptic potential, neurotransmitter and excitatory synapse.

Lecture about synaptic transmission, neuromuscular junction and chemical synapses.

Lecture about synapses, neurotransmitters and synaptic dynamics.

Lecture about neural networks, simulation and network activity.

Lecture about neuroscience, in silico and network assembly.

Lecture about synapses, neurotransmitter release and post-synaptic ion channels.

This course aims for a mechanistic description of mammalian brain function at the level of individual nerve cells and their synaptic interactions.

Professor, working on cell biology, neuroscience, anatomy

Professor, working on cell biology, neuroscience, anatomy

Professor, working on cell biology, neuroscience, machine learning

Professor, working on cell biology, anatomy, neuroscience

Professor, working on cell biology, anatomy, manufacturing engineering

Professor, working on basic psychology, cell biology, psychiatry

Professor, working on cell biology, anatomy, neuroscience

Researcher, working on cell biology

Employee, working on cell biology, neuroscience, anatomy

Employee, working on neuroscience, cell biology, anatomy

Employee, working on neuroscience, cell biology, anatomy

Chemical synapses are biological junctions through which neurons' signals can be sent to each other and to non-neuronal cells such as those in muscles or glands.

An excitatory synapse is a synapse in which an action potential in a presynaptic neuron increases the probability of an action potential occurring in a postsynaptic cell.

Lecture about cholinergic synapse, adrenergic synapse and neurotransmitters effects.

Lecture about synaptic transmission, hippocampus and interneurons.

Explore the location of glutamatergic synapses in mature neocortical pyramidal cells.

Synapsids are one of the two major clades of vertebrate animals that evolved from basal amniotes, the other being the sauropsids, which include reptiles (turtles, crocodilians and lepidosaurs) and birds.

Lecture about computational neuroscience, single neuron models and synapses.

Lecture about synapse detection, imaging techniques and neuroscience.

Lecture about synapse dynamics, tsodyks-markram model and nmodl syntax.

Explore the presence of redundant synapses in neural reconstructions.

Lecture about neuron, synapse model and testing.

Lecture about neuron model, synaptic activation and presynaptic cells.

Lecture about synapse, biological ranges and AMPA.

Lecture about synapse modeling, NMODL language and NEURON simulator.

Lecture about neuroscience, synapses and structural plasticity.

Explore the data required to constrain synapse density on an axon.

Explore the differences in synaptic connections between humans and mice.

Explore the implications of the complex molecular structure of human synapses.

Evaluate your understanding of synaptic properties and behaviors.

Comparing volumetric density measurements of inhibitory synapses.

Questions about the size of synaptic connections in the central nervous system.

Understanding the correction of synapse numbers in microcircuits.

Explore factors influencing the current-based model of synapses.

Lecture about neuron, synapse modeling and compilation.