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प्रश्न
Complete the following sentence with appropriate Word
Neurilemma is:
विकल्प
The cell membrane around the nerve cell
A layer of fatty substance around the axon.
A layer of specialized neuroglia around the myelin sheath of nerve fibres.
The connective tissue around a nerve tract.
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उत्तर
A layer of specialized neuroglia around the myelin sheath of nerve fibres.
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संबंधित प्रश्न
The human body contains a large number of cells A which are very long and branched, and look like electric wires. The longest branch of this cell is B whereas there are many small branches C. Any two A cells do not join to one another completely in the human body. There is a microscopic gap D between every pair of adjacent A cells through which electric impulses can pass by the release of a chemical substance.
(a) What are cells A?
(b) What is the name of (i) branch B, and (ii) branches C?
(c) What is the microscopic gap D known as?
(d) What is the function of cells like A in the human body?
(e) The cells A are of three types. name the three types.
Given alongside is the diagram of a neuron. Name the parts numbered 1-5.
- ............................................................................................... .
- ............................................................................................... .
- ............................................................................................... .
- ............................................................................................... .
- ............................................................................................... .
Fill in the blank:
The neurons carrying impulses from the brain to the muscles are called ..........................
Find the odd-one-out, giving reasons:
Axon, cell body, dendrite, cerebellum
Explain the structure of the brain.
Explain the Term: Nerve
Identify the CORRECT sequence of meninges. (From inside to outside)
Which of the following is the correct description of Gyri and sulci?
Identify the labels (i- iii) in the T.S. of the spinal cord.
How many spinal nerves are there, and to which groups they belong?
