Nissl's granules are found in

Nissl's granules in a nerve cell are composed of which of the following,which are currently known as $..........$?

With which system are dendrites associated?

The highly specialized cells called neurons can:

Which of the following statements are correct?
$I$. Dendrites are long fibres with branched distal ends.
$II$. Axons are short fibres which arise from the cell body.
$III$. The cell body of a neuron contains cytoplasm,a nucleus with cell organelles,and Nissl's granules.
$IV$. Dendrites transmit nerve impulses away from the cell body to a synapse.
The correct option is:

Nervous tissue cells that play several supporting roles but do not transmit impulses are called