Download Nerve Tissue - Coach Frei Science

Nerve Tissue
Name
Match the anatomical terms in Column B with the appropriate descriptions in Column A. Place the correct letters
in the answer blanks.
Column A
Column B
1. ____ Conducts the impulse toward the nerve cell body.
A. axon
2. ____ Location of the nucleus.
B. axon terminal
3. ____ Conducts impulse away from the nerve cell body.
C. dendrite
4. ____ A slender process often called a nerve fiber.
D. myelin
5. ____ Material found inside of Schwann cells; insulates the axon.
E. cell body
6. ____ Receptors for nerve signals.
7. ____ Releases neurotransmitters to neighboring neurons.
8. ____ Short, tapering, branched extensions; connected to cell body.
Circle the term that does not belong in each of the following groupings. Read these words in rows!
9. nodes of Ranvier
myelin
cell body
Schwann cell
10. axon hillock
neurotransmitters
telodendria
synaptic knobs
11. nucleus
telodendria
dendrites
cell body
12. unipolar
multipolar
tripolar
bipolar
Use the lines to the right of the diagrams to identify the unipolar, bipolar, and multipolar neuron.
13. ___________________________
14. ___________________________
15. ___________________________
16. Use a red pen or a red map pencil and label the pathway that a signal would take if it was exiting the cell body. In
other words, locate the axon and draw a red arrow pointing from the cell body towards the telodendria
Using the key choices, select the terms that match the following descriptions.
Key Choices:
A. afferent neuron
E. Schwann cells
I. myelin
B. interneuron
F. neurotransmitters
J. synapse
C. efferent neuron
G. axon
K. stimuli
D. unipolar
H. nodes of Ranvier
L. multipolar
17. ____ Another name for a motor neuron.
18. ____ The fatty substance that fills a Schwann cell and provides protection for the axon.
19. ____ The point of close contact between the telodendrites of one neuron and the dendrites of another neuron.
20. ____ Another name for a sensory neuron.
21. ____ Gaps in between the Schwann cells.
22. ____ The shape that is most common to nerve cells.
23. ____ A neuron that conducts impulses away from the brain and the spinal cord to the muscles or glands.
24. ____ Some change that occurs within or outside the body, that cause signals to be sent via the nervous
System, for example: a change in temperature.
25. ____ A neuron that conducts impulses toward the brain and the spinal cord from the extremities of the body.
26. ____ The specialized, fat-filled structure that acts as an insulating covering for the axon.
27. ____ The extension of the neuron that carries the messages away from the nerve cell body.
Match the cell type with its characteristics.
A. astrocyte
B. oligodendrocyte
C. Schwann cell
D. microglia
28. _____ glial cell that has the ability to phagocytize microorganisms and waste products
29. _____ glial cell that helps to form the blood-brain barrier
30. _____ glial cell that produces a fatty, myelin-filled covering for the axons in the PNS
31. _____ glial cell that produces a fatty, myelin-filled covering for the axons in the CNS
32. _____ a “star-shaped” glial cell
33. Define (preferably in your own words) the meaning of the following terms:
central nervous system: __________________________________________________________________
peripheral nervous system: ________________________________________________________________