Nervous system Flashcards
Nervous tissues is composed of what two types of cells?
Neurons and glial cells
Which type of cell is electrically active and release chemical signals to target cells, neurons or glial cells?
Neurons
Which cells play a supportive role for nervous tissue?
Glial cells
What is the name for the cell body (main part) of the neuron?
Soma
How many axons do neurons have?
One
The extensions of neuron cell membranes are generally referred to as ____
Processes
What is an axon (of a neuron)?
A fibre that emerges from the soma and projects to target cells
Do axons branch?
Yes, the single axon of a neuron can branch repeatedly to communicate with many target cells
What part of the neuron propagates the nerve impulse?
The axon
Name the type of neuron process that recieves information from other neurons at synapses
Dendrites