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Nervous Tissue
By Kristin Tuccillo
What three things is nervous tissue a
component of?
1)
Brain
2)
Spinal Cord
3)
Nerves
What is the main function of nervous tissue?
Regulate and Control body functions
What two types of cells does nervous
tissue consists of?
1)
2)
Neurons
Supporting cells (Neuroglia)
What are the 3 parts of neurons and
their functions?
Perikaryon
1)
•
•
The part of the neuron which immediately surrounds
the nucleus
Usually used synonymously with neuron or soma
Dendrites
2)
•
Carry messages and signals away from the cell body
Axons
3)
•
Carry messages and signals towards the cell body
What are the 3 functions of supporting cells?
1)
2)
3)
Nourishment of neurons
Insulation of neurons
Protection of neurons
What tissue is this?
Nervous Tissue
What are 4 features of nervous tissue?
Neuron
Cell body
Neuron process
Nuclei of supporting
cells (Neuroglia)
What is the main function of this tissue?
Transmit electrical
signals from sensory
receptors and to
effectors that control
their activity
Where is this tissue located?
Brain
Spinal cord
Nerves