Describe Four Functions of Astroglial Cells

question 131

Essay

Describe four functions of astroglial cells.

Correct spelling mistakes.

Apply basic principles of capitalization correctly.

Follow standards for the use of numbers in writing.

Recognize and correct misuse of words.

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Definitions:

Just Noticeable Difference

The minimal change in a stimulus that can just barely be detected by an organism.

Absolute Threshold

The minimum intensity of a stimulus that can be detected by an organism's sensory systems at least 50% of the time.

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Retina

A layer at the back of the eyeball containing cells that are sensitive to light and that trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.