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What does a neuron cell contain?
A typical neuron consists of a cell body (soma), dendrites, and an axon.
What neuron is before a synapse?
The synapse consists of the two neurons, one of which is sending information to the other. The sending neuron is known as the pre-synaptic neuron (i.e. before the synapse) while the receiving neuron is known as the post-synaptic neuron (i.e. after the synapse).
What root of a spinal nerve consists of motor neuron axons?
Ventralventral root
Spinal nerve roots which contain only motor neuron axons?
the what? root of a spinal nerve consists of motor neuron axons
What consists of a somatic motor neuron plus all the skeletal muscle fibers it stimulates?
motor unit
In a neuron the myelin sheath serves to insulate?
This insulation acts to increase the rate of transmission of signals. The Myelin Sheath of a neuron consists of fat-containing cells that insulate the axon from electrical activity.
Where is the neuron?
The Inter-neuron (also known as the local circuit neuron, relay neuron or the association neuron) is the neuron which connects the afferent and the efferent neurons in the neural pathways.
What is the sequence of a typical reflex arc?
1. The receptor reacts to a stimulus. 2. The sensory neuron conducts the afferent impulses to the CNS. 3. The integration center consists of one or more synapses in the CNS. 4. The motor neuron conducts the efferent impulses from the integration center to an effector. 5. The effector, muscle fibers or glands, respond to the efferent impulses by contraction or secretion a product, respectively.
Specialized cell that makes up the nervous system?
The cells that makes up the nervous system is the Inter-neuron (circuit neuron), sensory neuron and motor neuron.
Why is a neuron called an interneuron?
A neuron is called a inter-neuron because that specific neuron takes impulse from one neuron to a next neuron. For example your sensory neuron sends a impulse that you had felt a hot object. It goes through the spine to a inter-neuron to a motor neuron (this processes is called a reflex). Then the motor neuron tells your muscles in your hand to move
Define relay neuron?
a relay neuron is the neuron that picks up the message from the sensory neuron and delivers it to the motor neuron in the spinal cord or the brain
What is the function of relay neuron?
A relay neuron is the neuron that picks up the message from the sensory neuron and delivers it to the motor neuron in the spinal cord then to the brain.
