Concept explainers
Match the terms in column A with the descriptions in column B. Place the letter of your choice in the space provided.
Column A
a. Astrocyte
b. Axon
c. Collateral
d. Dendrite
e. Myelin
f. Neurilemma
g. Neurofibrils
h. Nissl bodies (chromatophilic substance)
i. Unipolar neuron
Column B
1. Sheath of Schwann cell containing cytoplasm and nucleus that encloses myelin
2. Corresponds to rough endoplasmic reticulum in other cells
3. Network of threadlike structures within cell body and extending into axon
4. Substance of Schwann cell composed of lipoprotein that insulates axons and increases impulse speed
5. Neuron process with many branches that conducts an action potential (impulse) toward the cell body
6. Branch of an axon
7. Star-shaped neuroglia between neurons and blood vessels
8. Nerve fiber arising from a slight elevation of the cell body that conductsan action potential (impulse) away from the cell body
9. Possesses a single process from the cell body
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Laboratory Manual For Human Anatomy & Physiology
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