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प्रश्न
Explain the following term :
Motor nerve
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उत्तर
It contains motor fibres which carry impulses generated by the association neuron (brain or spinal cord) to the effector organs. Example: A nerve which arises from the brain and ends in the eye muscles is a motor nerve. It helps in rotating the eye.
संबंधित प्रश्न
Mention the exact location of the Myelin sheath
Mention the exact location of Epididymis
Fill in the blanks:
A neuron consists of ________ , _________ and ________.
Assertion: The imbalance in concentration of Na+, K+ and proteins generates action potential.
Reason: To maintain the unequal distribution of Na+ and K+, the neurons use electrical energy.
Nerve cells do not possess ______
Impulses travels rapidly in ______ neurons.
As compare to medullated nerves, the conduction of impulse by non-medullated nerve fibres is ______ times faster.
In a neuron, conversion of electrical signal to a chemical signal occurs at/in
Write one word for the following:
A bundle of axons enclosed in a tubular sheath.
Nissl's granules are found in the cytoplasm of ______.
