Advertisements
Advertisements
प्रश्न
The diagram given below represents the spinal cord of a mammal, seen in a transverse section together with the nerves. Study the diagram and then answer the questions given below:
(i) Label the parts 1—8 indicated by guidelines.
(ii) What do the arrows indicate? What is the pathway indicated termed?
(iii) What type of nerve is shown in the diagram?
उत्तर
(i)
- White matter
- Gray matter
- Dorsal root
- Ventral root
- Dorsal ganglion
- Sensory neuron
- Spinal nerve
- Synapse
(ii) The arrows indicate the arrangement of white and gray matter is reversed from that in the brain. The patl4way indicated is termed as a nerve pathway in a simple spinal reflex.
(iii) Sensory or Afferent nerve.
APPEARS IN
संबंधित प्रश्न
Describe T.S. of the spinal cord.
Distinguish between the following pair of words:
Cranial nerve and spinal nerve
Where is this located?
Ganglia
Spinal cord and sympathetic ganglion of autonomous nervous system are connected by ______________.
Give the functions of the spinal cord?
Give Technical Term:
The brain and spinal cord together constitute the system known as.
Complete the following sentence with appropriate word :
The part of the central nervous system which responds to the reflex action is ________.
Sensory nerve fibres forming ascending tracts in white matter of spinal cord are located in ____________.
______ connects the brain to a different part of the body through nerves.
Explain the formation of a typical spinal nerve with the help of a neat labelled diagram.
