Advertisements
Advertisements
प्रश्न
Explain the structure of neuron with the help of a labelled diagram.
Advertisements
उत्तर
Structure of neuron:
A neuron is the building material of the nervous tissue. Neurons are involved in conducting impulses to different parts of the body on receiving an external or internal stimuli. It consists of the following three parts:
(i) Cyton:
It refers to the cell body of neuron and is composed of nucleus and cytoplasm. Clumps of ribosomes called Nissl's granules are distributed in its cytoplasm.
(ii) Dendron:
They are short processes that arise from the cell body. They get further branched into dendrites.
(iii) Axon (nerve fibre):
It is the long and cylindrical part of the cell that forms fine branches terminally. Each branch of axon is swollen at an end, forming a synaptic knob (bouton) that contains acetylcholine (neurotransmitter) filled vesicles.
APPEARS IN
संबंधित प्रश्न
A tissue is formed of only one type of cells.
State whether the following statement is True or False.
Permanent tissue is made up of undifferentiated and dividing Cells.
Define the term of neuron
Write a short answer
What is a neuron?
State two characteristics of nerve cells.
Study the diagram given below and then answer the questions that follow:
Where is this cell likely to be found in the human body and what is its function?
What is a nerve cell? Explain the importance of nervous tissue.
Differentiate between:
Nervous tissue and Nervous system
Name the tissue associated with the following:
Conduction of nerve impulse.
Which of the following is not found in a neuron?
