Unit 2A Psych

Front

Central Nervous System

Back

The part of the nervous system consisting of the brain and spinal cord, responsible for processing and sending out information.

Front

Peripheral Nervous System

Back

The part of the nervous system outside the brain and spinal cord, including the nerves and ganglia, responsible for connecting the central nervous system to limbs and organs.

Front

Neuron

Back

A specialized cell transmitting nerve impulses; a nerve cell.

Front

Cell Body

Back

The part of a neuron containing the nucleus and most of the cytoplasm, responsible for maintaining the life of the cell.

Front

Dendrite

Back

The branched projections of a neuron that receive signals from other neurons.

Front

Axon

Back

The long, slender projection of a neuron that conducts electrical impulses away from the neuron's cell body.

Front

Myelin

Back

A fatty substance that surrounds the axon of some nerve cells, forming an insulating layer and increasing the speed of impulse transmission.

Front

Axon Terminal

Back

The endpoint of a neuron where neurotransmitters are stored and released.

Front

Synapse

Back

The junction between two neurons, where the transfer of information occurs through neurotransmitters.

Front

Neurotransmitter

Back

Chemical substances that transmit signals across a synapse from one neuron to another.