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) Neurons

2) Supporting cells (Neuroglia)

What are the 3 parts of neurons and their functions?

1) Perikaryon• The part of the neuron which immediately surrounds

the nucleus• Usually used synonymously with neuron or soma

2) Dendrites• Carry messages and signals away from the cell body

3) Axons• Carry messages and signals towards the cell body

What are the 3 functions of supporting cells?

1) Nourishment of neurons

2) Insulation of neurons

3) Protection of neurons

What tissue is this?Nervous Tissue

What are 4 features of nervous tissue?

Neuron

Cell body

Neuron process

Nuclei of supportingcells (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