• Thumbnail for Quantal neurotransmitter release
    Quantal neurotransmitter release is the process by which neurons communicate by releasing neurotransmitters in discrete, measurable units known as quanta...
    17 KB (2,047 words) - 04:32, 25 May 2025
  • Thumbnail for Bernard Katz
    Fatt that neurotransmitter release at synapses is "quantal", meaning that at any particular synapse, the amount of neurotransmitter released is never less...
    10 KB (803 words) - 07:40, 18 November 2024
  • Thumbnail for Excitatory postsynaptic potential
    revealing the quantal nature of synaptic transmission. Quantal size can then be defined as the synaptic response to the release of neurotransmitter from a single...
    9 KB (1,100 words) - 04:03, 7 February 2025
  • Thumbnail for Neuroscientist
    neurotransmitter storage, release, and inactivation. Their work included the discovery of the synaptic vesicle and quantal neurotransmitter release....
    29 KB (2,851 words) - 02:44, 10 May 2025
  • Thumbnail for Synaptic vesicle
    synaptic vesicles (or neurotransmitter vesicles) store various neurotransmitters that are released at the synapse. The release is regulated by a voltage-dependent...
    34 KB (3,981 words) - 12:36, 24 May 2025
  • Thumbnail for Chemical synapse
    (presynaptic) release probability pr, quantal size q (the postsynaptic response to the release of a single neurotransmitter vesicle, a 'quantum'), and n,...
    36 KB (4,277 words) - 17:00, 25 May 2025
  • disease. Also known as tetraplegia. Quantal neurotransmitter release The process by which neurotransmitters are released in discrete packets (quanta) from...
    93 KB (12,728 words) - 22:16, 10 July 2025
  • Thumbnail for Neurotransmission
    through") is the process by which signaling molecules called neurotransmitters are released by the axon terminal of a neuron (the presynaptic neuron), and...
    23 KB (2,721 words) - 22:21, 10 July 2025
  • chemical neurotransmission at the synapse. Neurotransmitters are packaged into synaptic vesicles for release from the presynaptic cell into the synapse...
    12 KB (1,600 words) - 04:32, 8 July 2024
  • Thumbnail for PC12 cell line
    they have smaller vesicles and quantal size, holding only an average of 1.9x10−19 moles of neurotransmitter released. The vesicles hold catecholamines...
    10 KB (1,004 words) - 11:05, 13 June 2025
  • Thumbnail for David Sulzer
    fundamental "quantal" unit of neurotransmitter release from central synapses. They reported the first direct recordings of quantal neurotransmitter release from...
    50 KB (5,139 words) - 16:09, 21 June 2025
  • Thumbnail for End-plate potential
    carrying neurotransmitters (mostly acetylcholine) are exocytosed and the contents are released into the neuromuscular junction. These neurotransmitters bind...
    21 KB (2,781 words) - 23:59, 22 February 2025
  • Thumbnail for Dopamine
    and most animals. In the brain, dopamine functions as a neurotransmitter—a chemical released by neurons (nerve cells) to send signals to other nerve cells...
    140 KB (14,360 words) - 16:35, 10 July 2025
  • Thumbnail for Monoamine releasing agent
    monoamine releasing agent (MRA), or simply monoamine releaser, is a drug that induces the release of one or more monoamine neurotransmitters from the presynaptic...
    264 KB (22,158 words) - 22:03, 9 July 2025
  • Thumbnail for Neuromuscular junction
    membrane and subsequent neurotransmitter release from the motor neuron into the synaptic cleft. In vertebrates, motor neurons release acetylcholine (ACh)...
    35 KB (4,084 words) - 07:09, 9 March 2025
  • flux. Silent synapses were proposed as an explanation for differences in quantal content of excitatory postsynaptic currents (EPSCs) mediated by AMPARs...
    13 KB (1,613 words) - 03:06, 28 May 2025
  • Thumbnail for Short-term synaptic depression
    house neurotransmitters in the synapse, generally produced by persistent high frequency neuronal stimulation. The neurotransmitters are released by the...
    17 KB (2,293 words) - 03:54, 30 June 2025
  • Thumbnail for Orchestrated objective reduction
    offered, including a lack of explanation for the probabilistic release of neurotransmitter from presynaptic axon terminals and an error in the calculated...
    59 KB (6,586 words) - 22:24, 13 July 2025
  • Thumbnail for Summation (neurophysiology)
    by synaptic vesicles carrying neurotransmitters. The sporadic nature of the release of quantal amounts of neurotransmitter led to the "vesicle hypothesis"...
    19 KB (2,354 words) - 19:18, 21 May 2025
  • Thumbnail for Calyx of Held
    time. These vesicles are large, consistent with the findings regarding quantal size in other adult synapses. Dense-core vesicles, usually containing neuropeptides...
    25 KB (3,088 words) - 17:20, 8 December 2024
  • pre-synaptic neurons release vesicles containing neurotransmitters into the synaptic cleft. The extracellular neurotransmitters then interact with particular...
    16 KB (2,011 words) - 14:35, 3 December 2023
  • Thumbnail for Homeostatic plasticity
    mechanisms, such as quantal size adjustment, differential expression of presynaptic proteins, and modification of vesicle recycling. Quantal size adjustment...
    30 KB (3,446 words) - 17:41, 21 June 2025
  • students. In collaboration, they developed a quantum mechanical model of exocytosis and neurotransmitter release at synapses in the human cerebral cortex...
    12 KB (993 words) - 03:57, 27 May 2025
  • Thumbnail for Synaptic plasticity
    in the quantity of neurotransmitters released into a synapse and changes in how effectively cells respond to those neurotransmitters. Synaptic plasticity...
    30 KB (3,613 words) - 11:48, 17 April 2025
  • Thumbnail for Stimulus (physiology)
    neuron is inhibitory, inhibitory neurotransmitters, normally GABA will be released into the synapse. This neurotransmitter causes an inhibitory postsynaptic...
    30 KB (3,965 words) - 22:08, 22 April 2025
  • Thumbnail for Victor P. Whittaker
    vesicles store the neurotransmitter acetylcholine, providing a biochemical basis for the mechanism of quantal transmitter release. Based on earlier work...
    10 KB (964 words) - 00:38, 15 January 2024
  • Thumbnail for Szilveszter E. Vizi
    trigger in transmitter release (co-author, 1978) Changes in total and quantal release of acetylcholine in the mouse diaphragm during activation and inhibiton...
    7 KB (776 words) - 14:24, 22 September 2024
  • docks and transiently fuses at the presynaptic membrane and releases its neurotransmitters across the synapse, after which the vesicle can then be reused...
    19 KB (2,538 words) - 03:01, 20 January 2025
  • the postsynaptic response varies based on the number of quanta released. Quantal release results in the inconsistent strength and timing of a response...
    22 KB (2,962 words) - 05:35, 19 June 2024
  • Thumbnail for František Vyskočil
    best known for his contributions in the field of non-quantal synaptic release of neurotransmitters. He graduated from the Faculty of Science of Charles...
    5 KB (366 words) - 06:41, 17 November 2024