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Axon

...  axon is a vital part of the motor neuron, which is responsible for conducting action potentials from one part of the spinal cord or brain to another portion. It is an elongated structure extending from the neuron. Without the axon, the neurons will not be able to perform their physiologic functions. These axons come in two types; the axons that render action potentials towards the central  ...

Visceral Effector Organs

...  You did not “think” about withdrawing your foot. What is the effector organ? The effector organ is one of the five basic components of a reflex arc. The other four components are motor neuron, the sensory receptor, the sensory neuron, and the interneurons. The motor neuron organizes the action. The sensory receptor recognizes the stimulus and sends it to the sensory neuron.  ...

Cerebrum

...  for the volitional motor functions of the body. These movements come from the primary motor cortex and the frontal lobe motor area of the brain, where these functions are planned. The upper motor neurons of the primary motor cortex transmit axons to the brain stem and the spinal cord which, in turn, synapses with the lower motor neurons. The cerebrum is also responsible for sensory  ...

Cholinergic Stimulation

...  stimulation is the response of the somatic motor neurons when a stimulus is present. It reacts by releasing acetylcholine from the synaptic vesicles found in the neurons. The chemical neurotransmitter is crucial for the propagation of nerve impulse. It crosses the synapse to stimulate the contraction of muscles such as the heart. Here are the things you must understand about it. The  ...