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Alle Oberthemen / Biology / Muscle Tissue / Muscle Tissue
16
Presynaptic Terminal

Synaptic vesicles contain Neurotransmitter (NT) =         

Ca2+ channels open in reaction to       traveling down the         , which allows Ca2+ into the          . This then causes       to enter the        .
Synaptic vesicles contain Neurotransmitter (NT) = Acetylcholine (Ach)
NT = Molecule released by presynaptic terminal and stimulates (or inhibits) a postsynaptic cell
Ach always stimulates a skeletal muscle fiber

Ca2+ channels open in reaction to Action Potential traveling down the Motor Neuron Plasma Membrane, which allows Ca2+ into the Presynaptic Terminal. This then causes Exocytosis of Ach into the Synaptic Cleft.
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Autor: Rozen
Oberthema: Biology
Thema: Muscle Tissue
Veröffentlicht: 09.05.2010

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