Vitamin a Deficiency Can Result in Permanent Blindness, as Illustrated

question 32

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Vitamin A deficiency can result in permanent blindness, as illustrated in this picture. Discuss blindness from vitamin A deficiency occurs in the context of vitamin A's role in tissue formation. Use the following terms in your answer: epithelial tissue, mucus, differentiation, keratin, and a definition of xerophthalmia.

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Definitions:

Goodwill Impairment

The decrease in the value of goodwill on a company's balance sheet when the carrying amount exceeds the fair value.

Private Companies

Businesses whose ownership is private, meaning their shares are not traded on public stock exchanges, and often their financial information is not disclosed to the public.

Amortization Expense

The gradual reduction of a debt over time or the allocation of the cost of an intangible asset over its useful life.

Fair Value

The revenue generated from liquidating an asset or cost of moving a liability in a coordinated market operation on the day of measurement.