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copulatory coordination - Coggle Diagram
copulatory coordination
Neuromuscular junction
Neuromuscular junction is a process of interaction between the nervous system and skeletal muscle fibers.
Due to the similar voltage sheaths located throughout the muscle fiber, action potentials also travel deep into the T tubular fibers, to reach the reticulum, where calcium then triggers muscle contraction by a sliding filament mechanism.
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SYNAPS
Synapse is connection between an axon or other parts of a neuron (presynaptic) with the dendrite, soma, or axon of another neuron, muscle or gland cell (Post-Synaptic)
SYNAPS COMPONENTS
synaptic cleft
extracellular fluid compartment 10-20 nm wide that separates the presynaptic neuron from the postsynaptic neuron.
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IMPLUSE FORMATION
chemical signal-neurotransimiter adrenalin,noradrenalin,dopamin,asetilkolin
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IMPULS PROPAGATION
-impulse reaches the final axon -action potential reaches the terminal-neurotransmitter is released into the synaptic cleft-neurotransmitter binds to the postsynaptic membrane-Impulses cross the synapse with the help of neurotransmitters to dendritic receptors
EFFERENT
AFFERENT
Conducts electrical impulses from receptors on the skin,sense organ to the CNS.Nearly all sensory nerves are unipolar:only a minority are bipolar (Venteriner & animal,2020)
Neurons motor convey impulse from SSP to effector. Usually shaped multipolar. bring impulse go out from brain going to bone behind, next to effector or target. Part big for send message so that happen contraction muscle or secretion gland.
