Neuron and Neurotransmission BHH

The junction between the axon tip of the sending neuron and the dendrite or cell body of the receiving neuron.

• axon

• synapse

• dendrite

• neurotransmitter

A layer of fatty tissue that insulates the axon and speeds their impulse.

• myelin sheath

• terminal

• dendrite

• axon

A neuron extension that passes messages from the cell body to other neurons or to muscles or glands.

• myelin sheath

• axon

• neurotransmitter

• dendrite

The bushy, branching extension of a neuron that receives and integrates messages, conducting impulses toward the cell body.

• dendrite

• axon

• myelin

• synapse

What does the axon of a neuron do?

• protect the dendrites

• carry signals away from the soma

• insulate the myelin sheath

• process the information it receives

What does the myelin sheath do?

• protect the cell body

• carry signals into the dendrites

• insulate the axon

• process the information it receives

Neurotransmitters can best be described as

• electrical charges.

• chemical messengers.

• actions.

• reflexes.

Label the parts of the neuron using the terms provided

b

c

d

e

a

Terminal

Myelin Sheath

Dendrite

Cell body

Axon

Tags

NGSS.MS-LS1-2

After neurotransmitters leave the ​ (a)   of one neuron, they cross the ​ (b)   and bind to the ​ (c)   of the next neuron

• terminal
• synapse
• dendrite

Reorder the following, beginning with a cell receiving the signal at the dendrites

• Neurotransmitters are released

• The signal is passed to the cell body

• The signal travels down the axon, sped up by the myelin sheath

• Neurotransmitters cross the synapse and bind to dendrites on the next cell

• The signal arrives at the terminal